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The body also has an endocrine system that shuts down thermogenesis in order to match the  exact ambient temperature. Being able to match the  ambient temperature of the cold and damp forest allows them to be invisible to the thermal senses owned by some animals and kin'toni. This also makes them sluggish and prone to  muscular lethargy in places colder or hotter then the grove.  
The body also has an endocrine system that shuts down thermogenesis in order to match the  exact ambient temperature. Being able to match the  ambient temperature of the cold and damp forest allows them to be invisible to the thermal senses owned by some animals and kin'toni. This also makes them sluggish and prone to  muscular lethargy in places colder or hotter then the grove.  
==Kelet Kin'toni Clan==
The Kelet Kin'toni Clan are adapted to the subarctic, rocky, tree covered Wyrra Taiga Hills. They are lean, highly muscled, and long limbed of build. The torso is longer then normal. They are adapted for high-speed endurance running across uneven terrain. This elongated, high-leverage body makes them prone to getting stuck in dense bush or other small spaces. The skin is charcoal-gray in color to blend in with the trees, and it is  heavily reinforced using an  matrix of cross-linked collagen fibers  to lower the risk of tearing.
The  hyper-dense, leathery hide lacks flexibility, making it even harder for them to fit into small spaces. The hair is steel grey and coarse in texture, and is an a long, shaggy mane going down their spines. It is adapted to shed freezing rain and heavy snowfall from their bodies. Their eyes are t emerald-green, and have an massive, horizontally elongated pupil in each eye. This gives them a wide view of the forest floor while running but also  severely limits their vertical field of vision.
This leaves them vulnerable to foes dropping from the high canopy. Their ears are long, pointed and very mobile with specialized internal muscular rings  to lock that ears in diffident positions to track prey. The nose has a  specialized dual-valved vestibule  for trapping and recycling exhaled moisture in order to keep the olfactory lining wet in the cold, dry air. The  teeth are very long, slender and backward curved for sinking into and holding the thick furred taiga prey. These teeth are very brittle and prone to snapping if they hit bone.
Their claws are short, thick and wedge shaped. These  non-retractable claws act as track spikes for gripping wet clay  clay and slippery needles. The claws are blunt, and cannot be used as a weapon. The feet are digitigrade and with flexible, independent outer toes for stabilizing themselves on the gravel slopes. These toe joints are hyperflexable but lack rigid structural support, making their toes easy to dislocate on flat hard ground. Inside, the blood vessels have  microscopic bypass valves that contain an thick, glucose-heavy protein fluid.
By moving this fluid to their limbs, it stops their muscles from freezing. Thest chests contain air filled multi chambered shock absorber sacs for cushioning their internal organs. These protect from  violent impacts such as falling. The hepatic cell clots have adapted to  rapidly extract dietary iron from prey blood as an adaption to deal with cold, sluggish prey blood. The extreme iron concentration is also a metabolic burden that leads to  rapid, toxic organ failure, and this can only be stopped by flushing their system with fresh blood.
The rib cage is interlocked and overlapping like roof riles as to protect the  thoracic cavity from impacts. Due to its interlocking structure, they have limited flexibility, and cannot bend or arch the upper body deeply. They are able to survive sudden, unexpected temperature drops  such as during blizzards using an temporary reduction in cellular energy expenditure. The blood vessels have  high-pressure, muscular contraction-points that can clamp shut to stop bleeding of fluids, but it also traps waste in the rest of the body. This leads to painful swelling and bruising.
==Kelnysi Kin'toni Clan==
The Kelnysi are adapted to the  high-altitude, sub-zero, windy [[Isbelbur Autumnal Mountains Ridge]]. They are very lean, long-limbed and lightweight of build, with wing like shoulder blades, covered in a membrane of skin that stretches  to the buttocks. Being lightweight and fragile, they are easy to break with bone shattering trauma from bunt force and falls. They are mottled with deep amber and burnt orange, to hide along the fallen leaves and with fine, hydrophobic scales to stop the forest from sticking.
Their hair is fiery copper-red color, and is a mane of long fur covering the head, neck and upper back to keep the brain and carotid arteries warm in the freezing alpine winds. This hair is very flammable, and acts as tinder making them easy to set alight. The eyes are amber gold in color, and have an  massive, spherical lens to allow them to see even the slightest shifts in high-altitude movement across long distances. These eyes are sensitive to sudden light, due to an lack of protective tinting, leading to short term blindness.
Their ears are long, asymmetrical and very mobile, adapted for allowing them to calculate the exact elevation and distance of a sound echoing off the canyon walls. Insider the nose is an advanced internal humidity-reclaiming valve to allow them to reclaim water from their exhaled breaths to keep their olfactory membranes wet, even in the bone dry mountain air. They have long, slender, needle sharp teeth for piercing the thick wool-like coats of mountain prey to reach veins. These fangs are brittle and prone to snapping on bone and armor.
Their claws are long, deeply hooked and needle sharp to act as permanent climbing anchors in sheer limestone crevices. These claws make flat ground running clumsy, given that they interfere with movement. Their feet are prehensile and wide, their toes long and splayed with  soft, spongy undersides in order to muffle them walking on leaves.  Lacking thick, protective callouses means on sharp terrain they are prone to wounds on their feet. Around the chest are  a series of interconnected, air-filled internal chambers.
These are adapted to act as shock absorbent pads to save the internal organs from damage from violent high-altitude tumbles. Their lower cerebellum has been permanently expanded using their  totipotent stem cells. This grants them an  hyper-accurate, three-dimensional spatial awareness allowing them to calculates wind drift and slope angles with very little thinking. This also compresses the adjacent occipital lobes, leading to an dulled ability to see stationary objects that lack high-contrast movement.
Inside the carotid arteries is an system of  expanded clusters of pressure-sensing baroreceptors. These are adapted to  adjust cranial blood pressure while the kin'toni is leaping and dropping across deep mountain ravines. The shoulder blades are muscled and the upper thoracic vertebrate are fused in order to anchor the gliding-wings from the violet cross winds. These wings are movable by the kin'toni in order to fit though smaller spaces and act like another pair of arms. The skin itself is thin and easy to tear, and so has to be carefully treated.
==Keris Kin'toni Clan==
The Keris are adapted to the  sun-scorched, arid grasslands of the [[Waress Dry Field]], They are  very tall, thin and lean of build, with very long lower legs to make their walking stride and their heat dissipation as efficient as possible. This thin build is fagile, lacking  dense muscle shielding and easy to snap by blunt force. Their skin is dusty pale clay-yellow in color to camouflage in the dead grasses. This skin is highly leathery with creases and micro grooves for trapping evening moisture.
This lack of deep pigment leads to  almost zero natural defense against UV radiation and leading to a painful, quick death if caught in sunlight. They have dry straw blond hair that is changed into short, needle like and coarse bristles. These lay flat on the scalp and deflect dust and wind-blown grit. The eyes are amber, with an  narrow, horizontal slit pupil. This pupil maximize side to side sight and tracking in the flat open horizon. This also  severely limits their vertical field of view.
Due to this, they struggle to see threats attacking from elevated trees or ridges. These eyes also have an thick, nictitating membrane in order to sweep away the dust of the grasslands. Their ears are very large, thin and with heavy veins to biological cooling radiators. These shed the heat of the body into the cooler night air. The nose has a system of dry, scaly turbinate baffles in order to extract and reclaim moisture from both the dry air and their own breath to stop dehydration and lower the amount of water they need to drink.
Their teeth are short, flat and broad, and are adapted to slice through the tough, fibrous, or leathery hides of the local wildlife. With an lack of deep puncturing fangs, they struggle  to lock onto or anchor themselves on large, struggling targets.  The claws are short, straight and heavily blunted as these caws work as rigid digging spikes to scrape into hard, baked clay. Lacking sharpness, means the claws are poor weapons. Their feet are very long, and with broad calloused toes for distributing weight on the loose sandy soul of the Dry Field.
Inside, their blood vessels have specialized muscular bypass loops for redirecting warm blood out for cooling. The torso features an  dry, cellular wax lattice system of internal moisture-trapping chambers that can trap fluids and moisture sacs adapted to hold excess drinking water  throughout the torso, as an adaption to drought. The largest is located in next to the stomach. In the blood, the hepatic cell clots are adapted for taking molecule of moisture from drunk blood, what is stored in their moisture sacs.
The lymphatic filters are hyper-efficient and are able to extract any left over water and excrete waste as dry, uric acid pellets. This also  buildup of thick, sluggish metabolic byproducts that can only be flushed with water or blood. Build ups lead to the kin'toni sickening. Inside the skeletal muscles are large amounts of iron-rich myoglobin, able to store immense amounts of oxygen inside the tissue. The large amount of internal iron also makes them  susceptible to heavy electrical damage, as their muscle tissue is highly conductive.
==Kimetdar Kin'toni Clan==
The Kimetdar are adapted to the sheer, vertical drops of the [[Rysas Emerald Cliffs]]. They are hyper-compact and muscular build of with long forearms and a broad, low-centered pelvic structure. Being adapted for  climbing means they are slow, awkward and unaerodynamic on flat ground. Their skin is mottled forest-green and slate-grey tone to blend in to the moss and cliffs. The skin is also covered  in an  hydrophobic, micro-grooved lipid layer  that stops the heavy mist of the cliffs from waterlogging the skin and stopping  cutaneous oxygen absorption.
Their hair is sparse, coarse and needle like, and dark green in color. It grows as downward angled tracts in order to channel air the rain and  coastal condensation from their eyes. This also leaves their epidermal layers exposed to the  abrasive gusts due to their lack of dense, insulating coat. The oversized eyes are dark color in color, with pupils as horizontal slits in order to accurately judge depth and vertical distance  on the high cliffs.  The ears are short, thick and backward curved with internal acoustic ridges.
These ridges filter out the loud roars and crashes of the coastal waves and winds.  The nose has downward facing slits of nostrils that have fleshy, muscular valves. These valves can seal tightly to deal with the wind-driven sea spray, but while these valves are sealed, they lack an sense of smell. Without their enhanced sense of small,  they struggle to track prey. The teeth are hook like with backward-curved serrations, angled for locking onto the slippery and face moving prey of the cliffs.
The claws are long, needle sharp and semi retractable talons containing  high-iron keratin, adapted for gripping into the cracks in the cliffs. These teeth are long enough and curved enough to make manual dexterity hard, making fine work impossible. The feet are  prehensile, hand-like structures, with opposable toes and high-friction suction pads on both toes and soles. These feet make running on flat surfaces hard. The inner eyes and sinus cavities have enlarged, fluid-filled equilibrium chambers to grant both absolute spatial awareness and an immunity to vertigo.
This system is sensitive to sudden atmospheric pressure drops, such as those on coastal storm. This leads to the massive chambers swelling and severe disorientation and temporary loss of balance. Their tendons are able to look into place using an  specialized reflex loop to be able to hang in place for days. The vascular system has heavy muscular valves able to divert blood flow to the skin to maximize oxygen intake. The  peripheral blood routing is high pressure enough that even shallow slashes leads to rapid, explosive bleeding.
The blood is sense with cryoprotectant proteins in order to survive the freezing, damp shadows of deep cliff fissures and winter nights by fully stopping cellular freezing. This blood, being thick and sludge like, moves slowly though the body. This leads the stem cells to move more slowly and slowed healing in the limbs. The body's hepatic cell clots have adapted to quickly filter and  neutralize marine toxins and salt form their marine and coastal prey. It is adapted for marine and coastal toxins and so has no effect on other toxins.
==Kin'ire Kin'toni Clan==
The Kin'ire are adapted to the extreme wind-scoured plains, baking daytime heat and freezing night temperatures of the [[Inawar Barren Lands]]. The clan are very lean, lanky and long limbed of build in order to become highly efficient at running long distances on the flat terrain. Due to lacking dense muscle mass, they are physically weak in close-quarters grappling or wrestling. The skin is a very dense, leathery  white color, and adapted to eflect as much ambient light and heat as it can.
This skin lacks no natural UV-blocking pigments, leading to a swift death if caught in the daytime sun. The clan lacks all hair, to stop the  desert grit from trapping moisture and to stop hair chafing on their skin during their long treks. The eyes have a horizontally sweeping. semi-transparent, secondary nictitating membrane to keep dust out of their eyes. This thick, protective membrane means their fine detail vision is blurred meaning they struggle to see  camouflaged prey or subtle terrain hazards in their long range sight.
The ears are small, flat and pinned to the skull. These ears can seal tightly using specialized muscular flaps. The nasal passages are adapted to be highly elongated and tortuous. These act as a form of  counter-current moisture exchanger in order to trap and keep water vapor from the ambient airflow. The front incisors and canines are interlocking, serrated, and razor-sharp. These are adapted for cutting quickly though tough, leathery desert hides. The teeth's  delicate, thin serrations are prone to snapping off if they hit bone or mineral crusts.
The claws are long, flat and spade like for digging quickly into the dirt or sand for underground shelter. These claws are too wide and blunt to be used for climbing. The feet are broad, long and with thick, calloused soles that act as built in snow shoes by spreading  their weight on shifting sands. These feet lead to loud footfalls on soild ground given their massive feet. Inside, they have blood that each night, is flooded with  specialized, low-temperature proteins to stop cell freezing.
Under the skin are pockets of dense fat to act as a form of buffering for the core from the  extreme, rapid temperature swings of the wastes. These fat deposits bulge from the skin in such a way that it gets in the way of movement.  The digestive tract is adapted to be an compressed, dry, highly efficient system for stripping the water from prey. It is able to filter even the smallest amount of fluid from their prey. The urine and feces comes out as hard dry pellets instead of a liquid from a fused cloaca.
The  hepatic 'cell clots' are much bigger then normal, also swelling the liver to an huge size. This allows them to sore vast amounts of metabolic waste, meaning they can go weeks without a need to purge stored toxins. This liver is swollen and toxin heavy and takes up a lot of abdominal space. This compresses the other organs, leading to a lower amount of stamina. The spleen is enlarged and muscular, and stores highly oxygenated, iron-rich blood cells. These blood cells are released only when needed, signaled by an hormone rush such as during hunting or combat.
==Kin-ver Kin'toni Clan==
The Kin-ver are adapted to the cold, dark aquatic environment of the [[Rymit Boreal Lake]].  They are very streamlined, barrel chested and dense of build to aid their bottom dwelling lifestyle. The thick heavy bones leads them to be slow, clumsy and awkward of land. The skin is mottled dark teal and muddy brown in color, adapted to blend with the decaying plants and rocks of the lake bottom. This waterproof skin dries out and cracks quickly in the open air, leading to pain and infection.
The skin also produces an oil coating as to lower drag. They lack all hair, as to lower underwater drag. The eyes have dark blue in color, with jet back scleras and large lenses to capture the absolute minimum light  in the dark lake bottom. These eyes, being hyper dilated are easy to blind with flashes of light and during fall moons. They lack external ears, having in replacement slit like ear openings with a dense layer of water repealing cilla. These ears are good at detecting underwater vibrations, but poor at pinpointing sounds in the open ear,
The inner ears are adapted to be enlarged, dense and sensitive, in order to maintain a perfect sense of "up" and "down" in pitch-black water. These ears are also prone to motion sickness if forced to move quickly. The nostrils are tight muscular valves able to seal full while submerged as to stop water flooding the sinuses. The teeth are thin needle points with an backwards angle as to be able to catch  slippery, scaled aquatic prey and prevent them from wriggling free. The teeth are fragile, and struggle to bite though leathery land animal hides.
The claws are short, flat and heavy to act as anchor hooks to aid in pulling their bodies on the lake floor against currants. These claws lack a sharp edge, making them poor weapons. The feet have become long, with long, thickly webbed toes to aid in maximize propulsion through the water. These feet make them clumsy on dry land. Under the skin, there is an  specialized internal gland network that moves antifreeze glycoproteins through the skin in order to stop their outer tissues from freezing in cold water.
This heavy protective mucus is heavy on metabolic energy, needing more feeding to sustain it. The sinus cavities are adapted to have  massive blood reservoirs for trapping and warming blood. This is done using dense vascular clusters. The  digestive tract has  enlarged iron-binding glands specialized in taking the nutrients from the cold food of fish, allowing them to live on fish blood. Due to being hyper specialized, they have systems that are  highly intolerant to the richer, warmer blood of mammals.
Such blood makes them throw up or suffer from diarrhea. They have hepatic cell clots adapted for filtering out the heavy tannins, rotting plant toxins and rotting animal remains of the breal waters. In the chest, the collarbones and rib junctions  have dense iron-infused calcium plates adapted to anchor the heavy muscle groups for powerful swimming stokes. The torso also contains a set of thick-walled, fluid-regulated ballast chambers to let them control their depth without using energy swimming.
==Kinper Kin'toni Clan==
The Kinper are adapted to the dense, humid woodlands of the [[Samgh Forest Hill]]. They are compact, with an  highly flexible skeletal frame and  shortened, powerfully built limbs. These are adapted to allow for swift movement though even the dense underbrush. These short limbs mean they have very short strides, and a struggle to keep up with their prey in wide open spaces. The skin is mottled in shades of bark brown and lichen grey for breaking up their outline in the tree trunks. The hair is dense, moss like and dark green in color.
It grows on the head, shoulders and upper back. This hair is thick and sponge like and therefore retains moisture from the wet hair and is so a breeding ground for fungi. The eyes are large, black and  spherical, the pupils hypersensitive slits for tracking horizontal movement in the dense trees. These eyes are massive enough that they are highly vulnerable to wounds like scratches and blinding. The ears are wide, leaf shaped and having thin, highly vascularized skin adapted for hearing even the rustling of leaves and small game.
The nostrils are wide and flared, with  hyper-developed nasal turbinates for filtering and isolating scents in the forest ait, but these wide, open nasal passages are also vulnerable to toxic spores, often used as weapons. The teeth are adapted to be sharp shearing blades for cutting though tough animal hides and sinew. These teeth are unable to crush of grind. The claws are short, thick and retractable, for climbing though trees or gripping. But these claws are also costly on the localized metabolic energy due to the complex muscular mechanism required.
This leas to finger cramp if gripping is used for too long. The toes are long, flexible and hand like with opposable toes for grasping branches and roots. This also means that flat, rocky terrain is painful to walk on due to the unnatural angles the digit are forced into. These feet have tissue adapted to have a large amount of micro-capillaries able to swell to make an soft, pressurized suction effect on smooth bark. These are easy to damage on thorns or sharp stops, leading to lameness and blood loss.
The rib cadge has changed to have ribs connected by highly elastic, rubbery cartilage joints in order to allow the chest to compress during tight squeezes. The lack of rigid bones also means that their organs are highly vulnerable to blunt force attacks. Around the heart is an tough sac made of  interwoven collagen fibers, grown so that heart is not damaged during tree trunk collisions. The  balance centers of their inner ears have changed to have fluid-filled chambers that can  give an a flawless sense of orientation, even while leaping though the tree tops.
The digestive tract is able to quickly consume the blood of woodland mammals. This system is unable to process the cold, low-iron blood of lifeforms like  amphibians or reptiles due to an lack of  enzymes, leading to vomiting and diarrhea.  The  hepatic 'cell clots' have been adapted to deal with the high levels of toxic tannins and plant alkaloids in the local water source. They also have an set of oxygen-storing vascular networks to aid them storing oxygen underwater and during tree top chases.
[[Category:Project: Biology Rewrites]]
[[Category:Project: Biology Rewrites]]

Latest revision as of 15:59, 3 June 2026


Kalor Kin'toni Clan

The Kalor are adapted to the Yryna Old Coniferous Forest. They are bulk, endomorphic, and compact of build, with shortened limbs as to minimize surface-area-to-mass ratio. This build significantly reduces their overall agility and flexibility, leading them to be poor at climbing. Their skin is white in color, thick, and covered in a dense layer of specialized sebaceous glands. This allows them to make an a thick, tallow-like wax to seal out freezing moisture.This skin struggles with direct oxygen absorption, making them rely on their lungs more.


This happens due to the heavy, waxy lipid barrier severely clogging the cutaneous pores. Their hair is an thick, double coat of coarse, hollow, white hair strands. These are for trapping the stagnant air pockets for maximum structural insulation, to deal with cold winds and sub zero temperatures. The coat is highly flammable, and acts like tinder, leading them being weak to fire and burns. Their eyes are dark brown in color, with an permanent, thick nictitating membrane. The permanent, thick nictitating membrane works as an polarized lens.


This allows them to not get slow blindness from night UV glare. The downside of this is an clouding of fine, close-range depth perception. The ears are small, and flat against the skull. These ears have thick, dense, oily fur as stop the ear canal from freezing. They have long, highly vascularized nasal passages to act as a form of heat exchange to warm the air they breathe. The teeth are shout, wedge shaped and with deep iron-mineralized roots. These teeth are adapted to crack through frozen flesh and bone.

The downside of this is a lack of sharper edges to sear though soft flesh flesh such as rival kin'toni. The claws are thick, straight and shade like, being broad and unable to retract. The claws act as climbing crampons on hard ice. The claws are pool at gripping or grasping, leading them to be bad at fine mortar tasks. Their feet are huge, and very padded, having stiff, splayed toes to act as snowshoes for spreading weight over deep snowdrifts. Inside, their livers and bloodstreams make a large amount of specialized thermal-hysteresis proteins.


These proteins aggressively lower the freezing point of cellular water. These allow them to not freeze in the cold forest. This high viscosity, protein dense blood leads to an circulatory system having to work under great constant hydraulic pressure. This means they are more likely to have heart attacks and strokes. Around their internal organs, is an dry cellular fat lattice, that also contains air. This acts as an thermal buffer protecting the vital organs. Their modified lymphatic filters are hyper-developed in order to hoard iron.

The iron is deposited into the bones to make them denser and more frost resistant. The vascular contraction-points are heavily muscularized. These are able to stop blood flow to the limbs if needed to preserve core fluid pressure., lowing the risk of death from blood loss or frostbite. The downside, is that if a limb is cut off for too long, it is likely to develop necrosis, needing it to be removed. They have altered mitochondria for generating explosive bursts of cellular kinetic energy in order to help with muscular binding in the cold.


Kalraku Kin'toni Clan

The Kalraku are adapted to the hyper-arid highlands of the Oria Dry Mountain. They are elongated, spindly, and skeletal of build, as to have more surface area for rapid heat dissipation. These thin, long limbs have a lack of muscle leverage. This makes them poor at wrestling and dealing with high-impact physical strikes. The skin is ash-white in color, with thick, overlapping, keratinized plates that contain reflective mineral ash to reflect away heat. The downside of this is a lack of skin flexibility.

This means their skin can tear open painfully if pulled too far. They lack all hair, having just bald flesh with micro-grooved epidermal ridges. These ridges are for funneling sparse morning dew toward absorbing pores. The eyes are yellow, and deeply recessed inside heavy brow ridges. The eyes have an vertical slit pupil that can constrict completely in order to protect from blinding high-altitude glare. The outside of the ears are huge, thin, and with large amounts of veins that act as biological radiators to dump unneeded heat into the wind.

Their skulls and clavicles are adapted to have hollow, honeycombed acoustic chambers, that along with their adapted inner ears, act as amplifier chambers for low-frequency sound waves. These bones are fragile, and lead to the bones being easy to break. The nose has a nasal passages lined with specialized dry-mucosa scales. These are adapted to reclaim water from the blood they feed on in order to stop respiratory fluid loss. The downside of this is an lower ability to track less-noticeable airborne scent trails over long distances.


The teeth are adapted to be short, flat and broad, and are adapted to scrape even the last drops of blood off bones and rocks and to crush hard shells. The teeth lack long fangs and therefore are unable to dig well into soft targets. The claws are long, needle sharp and hard. They are made of dense keratin, and are adapted for climbing solid granite crevices. These claws are easy to break in tight spaces and made walking on flat surfaces clumsy and awkward. The feet have adapted into cloven hooves, with rough, high-friction undersides.

These hooves struggle in soft terrain and lead to the kin'toni sinking in mud and loose sand. The limbs are adapted to have specialized bypass loops for moving the warm core blood into the ears and limbs for cooling.The bones are adapted to have a large amount of iron in the bones, making them heavy and mineralized in order to anchor them against high mountain winds. This weight makes them unable to swim, leading them to have to walk along the bottom. The digestive tract and lymphatic filters have changed in order to take as much water out of food as possible.


This water is stored in large sacs in the back as water reserves. These sacs are vulnerable to damage, and busting them is both painful and damaging. The body is able to trigger a state of daytime cryogenic-like torpor using their modified mitochondria. This state shuts down all unneeded cellular functions to save on blood, water and energy. This daytime torpor makes them helpless and unconscious.

Kaxod Kin'toni Clan

The Kaxod are adapted to the dense, tangled Ler'ther Bushy Grove. They are low slung, dwarf-like and quadrupedal-leaning of of build, in order to move under thorn canopy without standing. This also means they have very poor vertical reach, meaning they are unable to climb trees. Their skin is dull, mottled and lichen-green in order to blend into the forest floor, and is thick and fibrous to deflect slicing briars. This skin is so thick and leathery, that it lacks fine tactile sense, meaning they have very little sense of touch.

The hair is short, coarse, and patch like, being muddy brown bristles that are able to produce an slippery, high-gloss oil. This allows them to slide though the thick bush. Their eyes are small, and milky white in color, with a thick third eyelid to shield to the eyes from sharp twigs. This semi opaque eyelid also leads to an lack of long-range visual acuity, making them almost blind past 100 meters. The ears are small, and flat to the skull in order to stop them catching on thorns while moving through the brush.


The nose has external fleshy flaps, able to close shut as to expose vomeronasal organs inside the upper lip for tasting the air for blood. Their teeth are short, backward curved and needle sharp, adapted for catching struggling prey even in tight spaces. These teeth are hard to disengage from bites quickly, leading them to be able to be attacked in that time. Their claws are thick, blunt and trowel like, but also non-retractable. These claws are adapted for caring away dense roots and carving tunnels through the brush.

The claws are blunt, making them unable to be used as weapons. The feet are long and digitigrade, with heavy padding and thick leathery soles in order to protect from sharp sticks and rocks. Inside, their spines are connected via oversized, fluid-filled fibrocartilage discs to allow for the spine to bend horizontally at extreme angles. This also means the spine is prone to snapping under heavy weight, making it hard for them to carry heavy loads. The blood vessels are coated in highly elastic muscular sheaths.


This allows them to cut off blood supplies if a blood vessel is damaged suchas from razor-thorns. The blood messages are not adapted to be constricted for long amounts of time, leading to localized tissue ischemia and muscle cramping. In their liver, the hepatic "cell clots" are highly specialized in order to find, and neutralize neurotoxic plant saps and secretions from the grove. With the rib cage, it is fused at the sternum to become set of broad, shield-like bony plates to protect their organs from being impaled.


The plate is segmented to allow the hyperflexable spine to bend, as if it was scale mail armor. The lymphatic filters and hemoglobin recycling glands are flatted and highly pressurized. These are set along their flanks in order to fit their narrow body shape. These are narrow, highly pressurized slits are prone to damage, and if they bust, the body suffers from bad internal bleeding. The internal throat sack is able to make loud, low-frequency clicks that allow them to echo locate through the dense undergrowth.

Kel'ony Kin'toni Clan

The Kel'ony are adapted to the steep, jagged crags, sub-zero winds, permafrost terrain of the Ilshlia Boreal Highland. They are very dense, broad shouldered and stocky of build having an low center of gravity as to resist the mountain gales. With their high bone and muscle density, they are not built to be agile, being slow and clumsy in tight, cramped environments like caves or thick brush. The skin is frosted slate blue, to blend with the glaciers, it is thick and lined with cross-hatched epidermal folders in order to keep in a layer of insulating air.

The skin is rigid and heavily folded, leading to be inelastic and prone to tearing such as along the flanks during quick physical movements. Their hair is snow-white, and is dense, long and woolly. It grows as an double-coat over the scalp, neck, and shoulders and is adapted to shield against frost and hold in body moisture. Their eyes are dark green in color, with an oversized pupil. It also has an dense layer of dark-tinted ocular proteins in order to filter the blinding glare of moonlit snow.


These filters lower the amount of light they harvest, leading them to lack night sight in places without snow. The ears are small, flat and with thick white fur to stop heat loss and frostbite to the inner ear. The nose has an expansive, dual-chambered warming labyrinth containing a large amount of hyper-vascularized tissue. This warms the sub zero air before it reaches the core. Their teeth are short, thick and with an heavy outer layer of iron-bound enamel for crushing though frozen flesh and ice.

These teeth being blunt and crushing lack slicing capability. Their claws are long, heavy, non retractable claws, broad and spade like in shape to act as ice axes for scaling the sheer frozen cliffs. These claws are long enough to make fine manipulation hard, and makes using small objects hard. Their feet are wide, with tough leathery soles containing stiff micro bristles to have traction on sheer ice sheets. Inside, their thickened blood vessels have been adapted to have hyper-developed muscular constriction valves.


These lock down the limbs in extreme cold to preserve core fluid pressure. The body's hepatic cell clots have adapted to release an vascular system with a dense glycoprotein that can stop cellular freezing. Around the lungs and other torso organs is an dense, spongy matrix of fat cells. This helps to keep the internal organs warm, but in hot environments, leads to overheating. The skeleton is adapted to have massive quantities of dietary iron to make the bones stronger in order to high-altitude falls.


The downside of this is being very heavy, and lacking any buoyancy, leading them struggle with water and fragile ice. Their bodies are able to go into deep torpor, allowing them to do dormant without food or water. This also means they are easy to kill being torpid and unresponsive. The changes in the digestive tract have oversized lymphatic filters in order to isolate and compress hemoglobin to turn it into an dense, oxygen-rich sludge. This iron-heavy sludge tends to clot, leading to blockages, unless flushed out by fresh feeding.


Umvera Kin'toni Clan

The Umvera Kin'toni Clan are adapted to the Elmatai Sullen Grove. They are hyperflexable and lean of build, with an ectomorphic frame and elongated clavicles to make it easy to slip through dense, tangled undergrowth. Their lower dense skeletal mass leads to them being strongly hindered by bone fractures from high-impact crushing damage or heavy blunt force as the bones are easy to break. Their skin is dark green and brown using phlobaphene pigments. This allows them to blend well with the wet tree bark and moss but also leads them to blister and burn significantly faster in sunlight.

Their hair is sparse, coarse and bristly, with an layer of hydrophobic sebum to stop waterlogging and fungal growth in the humid grove. The eyes are grossly oversized with an highly developed tapetum lucidum to allow them to capture even the faintest light under the trees. The eyes, having extremely sensitive retinas are vulnerable to bright light. Such light inc fire, can bring on blinding photoflash optical shock. The ears have large, high mobile pinnae to allow them to pinpoint the the sounds of prey in the thick leaf litter.


These ears are sensitive to high-frequency noises or concussive sonic blasts, leading to severe disorientation and temporary loss of hearing. Their noses are deeply convoluted and adapted for filtering and concentrating the iron smell of blood, even in the heavy, damp forest musk. The teeth are long, with deep grooves having micro-serrations for sawing though the tough hides of forest life. These thin, micro-serrated enamel edges are brittle and are easy to break by biting down on bone or armor.

The claws are short, heavily curved, and semi-retractable with thick fibrous ligaments. These claws are good for gripping wet tree bark and moss, but are poor at digging. They have splayed toes with soft, calloused pads on their broad and prehensile feet. Along with their claws, their lack of a rigid, supportive arch makes s long-distance sprinting on flat, open ground tiring and mechanically inefficient. Inside, their lungs have been repurposed into high-surface-area vascular sacks to become highly efficient at dealing with the stagnant forest air.


The joints are hypermobile, with collagen fibers in ligaments laced with elastic proteins. These allow the joints to partially dislocate and bend while not tearing to allow for movement in tight places. The joints being so lax, leads to a lack of ability to lift or push heavy structural loads. The liver is adapted into an hyper-dense cluster of "cell clots" for dealing quickly with forest toxins, local plant poisons, and mold spores. This system is adapted to local toxins and does not work for those outside.

The body also has an endocrine system that shuts down thermogenesis in order to match the exact ambient temperature. Being able to match the ambient temperature of the cold and damp forest allows them to be invisible to the thermal senses owned by some animals and kin'toni. This also makes them sluggish and prone to muscular lethargy in places colder or hotter then the grove.


Kelet Kin'toni Clan

The Kelet Kin'toni Clan are adapted to the subarctic, rocky, tree covered Wyrra Taiga Hills. They are lean, highly muscled, and long limbed of build. The torso is longer then normal. They are adapted for high-speed endurance running across uneven terrain. This elongated, high-leverage body makes them prone to getting stuck in dense bush or other small spaces. The skin is charcoal-gray in color to blend in with the trees, and it is heavily reinforced using an matrix of cross-linked collagen fibers to lower the risk of tearing.

The hyper-dense, leathery hide lacks flexibility, making it even harder for them to fit into small spaces. The hair is steel grey and coarse in texture, and is an a long, shaggy mane going down their spines. It is adapted to shed freezing rain and heavy snowfall from their bodies. Their eyes are t emerald-green, and have an massive, horizontally elongated pupil in each eye. This gives them a wide view of the forest floor while running but also severely limits their vertical field of vision.


This leaves them vulnerable to foes dropping from the high canopy. Their ears are long, pointed and very mobile with specialized internal muscular rings to lock that ears in diffident positions to track prey. The nose has a specialized dual-valved vestibule for trapping and recycling exhaled moisture in order to keep the olfactory lining wet in the cold, dry air. The teeth are very long, slender and backward curved for sinking into and holding the thick furred taiga prey. These teeth are very brittle and prone to snapping if they hit bone.

Their claws are short, thick and wedge shaped. These non-retractable claws act as track spikes for gripping wet clay clay and slippery needles. The claws are blunt, and cannot be used as a weapon. The feet are digitigrade and with flexible, independent outer toes for stabilizing themselves on the gravel slopes. These toe joints are hyperflexable but lack rigid structural support, making their toes easy to dislocate on flat hard ground. Inside, the blood vessels have microscopic bypass valves that contain an thick, glucose-heavy protein fluid.


By moving this fluid to their limbs, it stops their muscles from freezing. Thest chests contain air filled multi chambered shock absorber sacs for cushioning their internal organs. These protect from violent impacts such as falling. The hepatic cell clots have adapted to rapidly extract dietary iron from prey blood as an adaption to deal with cold, sluggish prey blood. The extreme iron concentration is also a metabolic burden that leads to rapid, toxic organ failure, and this can only be stopped by flushing their system with fresh blood.

The rib cage is interlocked and overlapping like roof riles as to protect the thoracic cavity from impacts. Due to its interlocking structure, they have limited flexibility, and cannot bend or arch the upper body deeply. They are able to survive sudden, unexpected temperature drops such as during blizzards using an temporary reduction in cellular energy expenditure. The blood vessels have high-pressure, muscular contraction-points that can clamp shut to stop bleeding of fluids, but it also traps waste in the rest of the body. This leads to painful swelling and bruising.

Kelnysi Kin'toni Clan

The Kelnysi are adapted to the high-altitude, sub-zero, windy Isbelbur Autumnal Mountains Ridge. They are very lean, long-limbed and lightweight of build, with wing like shoulder blades, covered in a membrane of skin that stretches to the buttocks. Being lightweight and fragile, they are easy to break with bone shattering trauma from bunt force and falls. They are mottled with deep amber and burnt orange, to hide along the fallen leaves and with fine, hydrophobic scales to stop the forest from sticking.

Their hair is fiery copper-red color, and is a mane of long fur covering the head, neck and upper back to keep the brain and carotid arteries warm in the freezing alpine winds. This hair is very flammable, and acts as tinder making them easy to set alight. The eyes are amber gold in color, and have an massive, spherical lens to allow them to see even the slightest shifts in high-altitude movement across long distances. These eyes are sensitive to sudden light, due to an lack of protective tinting, leading to short term blindness.


Their ears are long, asymmetrical and very mobile, adapted for allowing them to calculate the exact elevation and distance of a sound echoing off the canyon walls. Insider the nose is an advanced internal humidity-reclaiming valve to allow them to reclaim water from their exhaled breaths to keep their olfactory membranes wet, even in the bone dry mountain air. They have long, slender, needle sharp teeth for piercing the thick wool-like coats of mountain prey to reach veins. These fangs are brittle and prone to snapping on bone and armor.

Their claws are long, deeply hooked and needle sharp to act as permanent climbing anchors in sheer limestone crevices. These claws make flat ground running clumsy, given that they interfere with movement. Their feet are prehensile and wide, their toes long and splayed with soft, spongy undersides in order to muffle them walking on leaves. Lacking thick, protective callouses means on sharp terrain they are prone to wounds on their feet. Around the chest are a series of interconnected, air-filled internal chambers.


These are adapted to act as shock absorbent pads to save the internal organs from damage from violent high-altitude tumbles. Their lower cerebellum has been permanently expanded using their totipotent stem cells. This grants them an hyper-accurate, three-dimensional spatial awareness allowing them to calculates wind drift and slope angles with very little thinking. This also compresses the adjacent occipital lobes, leading to an dulled ability to see stationary objects that lack high-contrast movement.

Inside the carotid arteries is an system of expanded clusters of pressure-sensing baroreceptors. These are adapted to adjust cranial blood pressure while the kin'toni is leaping and dropping across deep mountain ravines. The shoulder blades are muscled and the upper thoracic vertebrate are fused in order to anchor the gliding-wings from the violet cross winds. These wings are movable by the kin'toni in order to fit though smaller spaces and act like another pair of arms. The skin itself is thin and easy to tear, and so has to be carefully treated.

Keris Kin'toni Clan

The Keris are adapted to the sun-scorched, arid grasslands of the Waress Dry Field, They are very tall, thin and lean of build, with very long lower legs to make their walking stride and their heat dissipation as efficient as possible. This thin build is fagile, lacking dense muscle shielding and easy to snap by blunt force. Their skin is dusty pale clay-yellow in color to camouflage in the dead grasses. This skin is highly leathery with creases and micro grooves for trapping evening moisture.

This lack of deep pigment leads to almost zero natural defense against UV radiation and leading to a painful, quick death if caught in sunlight. They have dry straw blond hair that is changed into short, needle like and coarse bristles. These lay flat on the scalp and deflect dust and wind-blown grit. The eyes are amber, with an narrow, horizontal slit pupil. This pupil maximize side to side sight and tracking in the flat open horizon. This also severely limits their vertical field of view.


Due to this, they struggle to see threats attacking from elevated trees or ridges. These eyes also have an thick, nictitating membrane in order to sweep away the dust of the grasslands. Their ears are very large, thin and with heavy veins to biological cooling radiators. These shed the heat of the body into the cooler night air. The nose has a system of dry, scaly turbinate baffles in order to extract and reclaim moisture from both the dry air and their own breath to stop dehydration and lower the amount of water they need to drink.

Their teeth are short, flat and broad, and are adapted to slice through the tough, fibrous, or leathery hides of the local wildlife. With an lack of deep puncturing fangs, they struggle to lock onto or anchor themselves on large, struggling targets. The claws are short, straight and heavily blunted as these caws work as rigid digging spikes to scrape into hard, baked clay. Lacking sharpness, means the claws are poor weapons. Their feet are very long, and with broad calloused toes for distributing weight on the loose sandy soul of the Dry Field.


Inside, their blood vessels have specialized muscular bypass loops for redirecting warm blood out for cooling. The torso features an dry, cellular wax lattice system of internal moisture-trapping chambers that can trap fluids and moisture sacs adapted to hold excess drinking water throughout the torso, as an adaption to drought. The largest is located in next to the stomach. In the blood, the hepatic cell clots are adapted for taking molecule of moisture from drunk blood, what is stored in their moisture sacs.

The lymphatic filters are hyper-efficient and are able to extract any left over water and excrete waste as dry, uric acid pellets. This also buildup of thick, sluggish metabolic byproducts that can only be flushed with water or blood. Build ups lead to the kin'toni sickening. Inside the skeletal muscles are large amounts of iron-rich myoglobin, able to store immense amounts of oxygen inside the tissue. The large amount of internal iron also makes them susceptible to heavy electrical damage, as their muscle tissue is highly conductive.

Kimetdar Kin'toni Clan

The Kimetdar are adapted to the sheer, vertical drops of the Rysas Emerald Cliffs. They are hyper-compact and muscular build of with long forearms and a broad, low-centered pelvic structure. Being adapted for climbing means they are slow, awkward and unaerodynamic on flat ground. Their skin is mottled forest-green and slate-grey tone to blend in to the moss and cliffs. The skin is also covered in an hydrophobic, micro-grooved lipid layer that stops the heavy mist of the cliffs from waterlogging the skin and stopping cutaneous oxygen absorption.

Their hair is sparse, coarse and needle like, and dark green in color. It grows as downward angled tracts in order to channel air the rain and coastal condensation from their eyes. This also leaves their epidermal layers exposed to the abrasive gusts due to their lack of dense, insulating coat. The oversized eyes are dark color in color, with pupils as horizontal slits in order to accurately judge depth and vertical distance on the high cliffs. The ears are short, thick and backward curved with internal acoustic ridges.


These ridges filter out the loud roars and crashes of the coastal waves and winds. The nose has downward facing slits of nostrils that have fleshy, muscular valves. These valves can seal tightly to deal with the wind-driven sea spray, but while these valves are sealed, they lack an sense of smell. Without their enhanced sense of small, they struggle to track prey. The teeth are hook like with backward-curved serrations, angled for locking onto the slippery and face moving prey of the cliffs.

The claws are long, needle sharp and semi retractable talons containing high-iron keratin, adapted for gripping into the cracks in the cliffs. These teeth are long enough and curved enough to make manual dexterity hard, making fine work impossible. The feet are prehensile, hand-like structures, with opposable toes and high-friction suction pads on both toes and soles. These feet make running on flat surfaces hard. The inner eyes and sinus cavities have enlarged, fluid-filled equilibrium chambers to grant both absolute spatial awareness and an immunity to vertigo.


This system is sensitive to sudden atmospheric pressure drops, such as those on coastal storm. This leads to the massive chambers swelling and severe disorientation and temporary loss of balance. Their tendons are able to look into place using an specialized reflex loop to be able to hang in place for days. The vascular system has heavy muscular valves able to divert blood flow to the skin to maximize oxygen intake. The peripheral blood routing is high pressure enough that even shallow slashes leads to rapid, explosive bleeding.

The blood is sense with cryoprotectant proteins in order to survive the freezing, damp shadows of deep cliff fissures and winter nights by fully stopping cellular freezing. This blood, being thick and sludge like, moves slowly though the body. This leads the stem cells to move more slowly and slowed healing in the limbs. The body's hepatic cell clots have adapted to quickly filter and neutralize marine toxins and salt form their marine and coastal prey. It is adapted for marine and coastal toxins and so has no effect on other toxins.

Kin'ire Kin'toni Clan

The Kin'ire are adapted to the extreme wind-scoured plains, baking daytime heat and freezing night temperatures of the Inawar Barren Lands. The clan are very lean, lanky and long limbed of build in order to become highly efficient at running long distances on the flat terrain. Due to lacking dense muscle mass, they are physically weak in close-quarters grappling or wrestling. The skin is a very dense, leathery white color, and adapted to eflect as much ambient light and heat as it can.

This skin lacks no natural UV-blocking pigments, leading to a swift death if caught in the daytime sun. The clan lacks all hair, to stop the desert grit from trapping moisture and to stop hair chafing on their skin during their long treks. The eyes have a horizontally sweeping. semi-transparent, secondary nictitating membrane to keep dust out of their eyes. This thick, protective membrane means their fine detail vision is blurred meaning they struggle to see camouflaged prey or subtle terrain hazards in their long range sight.


The ears are small, flat and pinned to the skull. These ears can seal tightly using specialized muscular flaps. The nasal passages are adapted to be highly elongated and tortuous. These act as a form of counter-current moisture exchanger in order to trap and keep water vapor from the ambient airflow. The front incisors and canines are interlocking, serrated, and razor-sharp. These are adapted for cutting quickly though tough, leathery desert hides. The teeth's delicate, thin serrations are prone to snapping off if they hit bone or mineral crusts.

The claws are long, flat and spade like for digging quickly into the dirt or sand for underground shelter. These claws are too wide and blunt to be used for climbing. The feet are broad, long and with thick, calloused soles that act as built in snow shoes by spreading their weight on shifting sands. These feet lead to loud footfalls on soild ground given their massive feet. Inside, they have blood that each night, is flooded with specialized, low-temperature proteins to stop cell freezing.


Under the skin are pockets of dense fat to act as a form of buffering for the core from the extreme, rapid temperature swings of the wastes. These fat deposits bulge from the skin in such a way that it gets in the way of movement. The digestive tract is adapted to be an compressed, dry, highly efficient system for stripping the water from prey. It is able to filter even the smallest amount of fluid from their prey. The urine and feces comes out as hard dry pellets instead of a liquid from a fused cloaca.

The hepatic 'cell clots' are much bigger then normal, also swelling the liver to an huge size. This allows them to sore vast amounts of metabolic waste, meaning they can go weeks without a need to purge stored toxins. This liver is swollen and toxin heavy and takes up a lot of abdominal space. This compresses the other organs, leading to a lower amount of stamina. The spleen is enlarged and muscular, and stores highly oxygenated, iron-rich blood cells. These blood cells are released only when needed, signaled by an hormone rush such as during hunting or combat.

Kin-ver Kin'toni Clan

The Kin-ver are adapted to the cold, dark aquatic environment of the Rymit Boreal Lake. They are very streamlined, barrel chested and dense of build to aid their bottom dwelling lifestyle. The thick heavy bones leads them to be slow, clumsy and awkward of land. The skin is mottled dark teal and muddy brown in color, adapted to blend with the decaying plants and rocks of the lake bottom. This waterproof skin dries out and cracks quickly in the open air, leading to pain and infection.

The skin also produces an oil coating as to lower drag. They lack all hair, as to lower underwater drag. The eyes have dark blue in color, with jet back scleras and large lenses to capture the absolute minimum light in the dark lake bottom. These eyes, being hyper dilated are easy to blind with flashes of light and during fall moons. They lack external ears, having in replacement slit like ear openings with a dense layer of water repealing cilla. These ears are good at detecting underwater vibrations, but poor at pinpointing sounds in the open ear,


The inner ears are adapted to be enlarged, dense and sensitive, in order to maintain a perfect sense of "up" and "down" in pitch-black water. These ears are also prone to motion sickness if forced to move quickly. The nostrils are tight muscular valves able to seal full while submerged as to stop water flooding the sinuses. The teeth are thin needle points with an backwards angle as to be able to catch slippery, scaled aquatic prey and prevent them from wriggling free. The teeth are fragile, and struggle to bite though leathery land animal hides.

The claws are short, flat and heavy to act as anchor hooks to aid in pulling their bodies on the lake floor against currants. These claws lack a sharp edge, making them poor weapons. The feet have become long, with long, thickly webbed toes to aid in maximize propulsion through the water. These feet make them clumsy on dry land. Under the skin, there is an specialized internal gland network that moves antifreeze glycoproteins through the skin in order to stop their outer tissues from freezing in cold water.


This heavy protective mucus is heavy on metabolic energy, needing more feeding to sustain it. The sinus cavities are adapted to have massive blood reservoirs for trapping and warming blood. This is done using dense vascular clusters. The digestive tract has enlarged iron-binding glands specialized in taking the nutrients from the cold food of fish, allowing them to live on fish blood. Due to being hyper specialized, they have systems that are highly intolerant to the richer, warmer blood of mammals.

Such blood makes them throw up or suffer from diarrhea. They have hepatic cell clots adapted for filtering out the heavy tannins, rotting plant toxins and rotting animal remains of the breal waters. In the chest, the collarbones and rib junctions have dense iron-infused calcium plates adapted to anchor the heavy muscle groups for powerful swimming stokes. The torso also contains a set of thick-walled, fluid-regulated ballast chambers to let them control their depth without using energy swimming.

Kinper Kin'toni Clan

The Kinper are adapted to the dense, humid woodlands of the Samgh Forest Hill. They are compact, with an highly flexible skeletal frame and shortened, powerfully built limbs. These are adapted to allow for swift movement though even the dense underbrush. These short limbs mean they have very short strides, and a struggle to keep up with their prey in wide open spaces. The skin is mottled in shades of bark brown and lichen grey for breaking up their outline in the tree trunks. The hair is dense, moss like and dark green in color.

It grows on the head, shoulders and upper back. This hair is thick and sponge like and therefore retains moisture from the wet hair and is so a breeding ground for fungi. The eyes are large, black and spherical, the pupils hypersensitive slits for tracking horizontal movement in the dense trees. These eyes are massive enough that they are highly vulnerable to wounds like scratches and blinding. The ears are wide, leaf shaped and having thin, highly vascularized skin adapted for hearing even the rustling of leaves and small game.


The nostrils are wide and flared, with hyper-developed nasal turbinates for filtering and isolating scents in the forest ait, but these wide, open nasal passages are also vulnerable to toxic spores, often used as weapons. The teeth are adapted to be sharp shearing blades for cutting though tough animal hides and sinew. These teeth are unable to crush of grind. The claws are short, thick and retractable, for climbing though trees or gripping. But these claws are also costly on the localized metabolic energy due to the complex muscular mechanism required.

This leas to finger cramp if gripping is used for too long. The toes are long, flexible and hand like with opposable toes for grasping branches and roots. This also means that flat, rocky terrain is painful to walk on due to the unnatural angles the digit are forced into. These feet have tissue adapted to have a large amount of micro-capillaries able to swell to make an soft, pressurized suction effect on smooth bark. These are easy to damage on thorns or sharp stops, leading to lameness and blood loss.


The rib cadge has changed to have ribs connected by highly elastic, rubbery cartilage joints in order to allow the chest to compress during tight squeezes. The lack of rigid bones also means that their organs are highly vulnerable to blunt force attacks. Around the heart is an tough sac made of interwoven collagen fibers, grown so that heart is not damaged during tree trunk collisions. The balance centers of their inner ears have changed to have fluid-filled chambers that can give an a flawless sense of orientation, even while leaping though the tree tops.

The digestive tract is able to quickly consume the blood of woodland mammals. This system is unable to process the cold, low-iron blood of lifeforms like amphibians or reptiles due to an lack of enzymes, leading to vomiting and diarrhea. The hepatic 'cell clots' have been adapted to deal with the high levels of toxic tannins and plant alkaloids in the local water source. They also have an set of oxygen-storing vascular networks to aid them storing oxygen underwater and during tree top chases.