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Counter Earth

Mammals

Anteater
Though the name is one we recognize and are able to put a face to, the anteaters of Gor, by the description given below of the spined variety, would appear to be much larger versions of their Earth cousins. We are told they exist in more than six varieties in the jungle areas of Schendi alone, but are given no indication of where else on Gor these beasts might be found.

...More than six varieties of anteater are also found here, and more than twenty kinds of small, fleet, single-horned tabuk....
---Explorers of Gor, 32:312

A great spined anteater, more than twenty feet in length, shuffled about the edges of the camp. We saw its long, thin tongue dart in and out of its mouth.

The blond-haired barbarian crept closer to me.

"It is harmless," I said, "unless you cross its path or disturb it."

It lived on the white ants, or termites, of the vicinity, breaking apart their high, towering nests of toughened clay, some of them thirty-five feet in height, with its mighty claws, then darting its four-foot-long tongue, coated with adhesive saliva, among the nest's startled occupants, drawing thousands in a matter of moments into its narrow, tubelike mouth.
---Explorers of Gor, 29:293

Bosk
A huge, shaggy, ox-like animal that provides meat, milk and leather.  The Bosk is said to be the mother of the Wagon Peoples. There are 15 varieties of Bosk known to the Wagon Peoples, the names of which are used in the naming the 15 moons that are part of the Wagon Peoples' chronology. This number may or may not include certain types of bosk found far from the southern plains such as for example, the snow bosk - mentioned in Beasts of Gor - which seems to be a resident of the polar basin. The matter would depend on whether or not the wagon people are actually aware of the existence of these varieties.

The bosk, without which the Wagon Peoples could not live, is an oxlike creature. It is a huge shambling animal with a thick, humped neck, and long, shaggy hair. It has a wide head and tiny red eyes, a temper to match that of a sleen, and two long, wicked horns that reach out from its head and suddenly curve forward to terminate in fearful points. Some of these horns, on the larger animals, when measured from tip to tip, exceed the length of two spears.
---Nomads of Gor,
1:4-5

The bosk is a large, horned, shambling ruminant of the Gorean plains. It is herded below the Gorean equator by the Wagon Peoples, but there are Bosk herds on ranches in the north as well, and peasants often keep some of the animals.
---Raiders of Gor, 3:26

"What lazy animals those sleen are," said Imnak. "They are not even really hungry, but they are keeping us in mind. They should be out hunting snow bosk, or basking sea sleen, or burrowing and scratching inland for hibernating leems."
---Beasts of Gor, 27:334

Deer
A northern variety is mentioned in Marauders of Gor, although no description is given.

"Perhaps," suggested Gorm, "it is diseased or injured, and can no longer hunt the swift deer of the north?"
---Marauders of Gor, 7:108

Frevet
A small mammalian insectivore which is used in the cities as a form of pest control.

"That is not an urt," said the proprietor. "They usually come out after dark. There is too much noise and movement for them during the day." The small animal skittered backward, with a sound of claws on the boards. Its eyes gleamed in the reflected light of the lamp. "Generally, too, they do not come this high," said the proprietor. "That is a frevet." The frevet is a small, quick, mammalian insectivore. "We have several in the house," he said. "They control insects, the beetles and lice, and such."
---Mercenaries of Gor, 22:276

Gatch (Armored)
A marsupial of the rainforest areas of Schendi.

...On the floor itself are also found several varieties of animal life, in particular marsupials, such as the armored gatch, and rodents, such as slees and ground urts. Several varieties of tarsk, large and small, also inhabit this zone....
---Explorers of Gor, 32:312

Giani
A cat sized panther of the rainforest areas of Schendi.

...In the lower branches of the "ground zone" may be found, also, small animals, such as tarsiers, nocturnal jit monkeys, black squirrels, four-toed leaf urts, jungle varts and the prowling, solitary giani, tiny, cat-sized panthers, not dangerous to man....
---Explorers of Gor, 32:312

Hurt
A bounding two legged mammal, domesticated and raised on ranches for its wool.

Cernus of Ar wore a coarse black robe, woven probably from the wool of the bounding, two legged Hurt, a domesticated marsupial raised in large numbers in the environs of several of Gor's Northern Cities. The Hurt, raised on large, fenced ranches, herded by domesticated sleen and sheered by chained slaves, replaces its wool four times a year....
---Assassin of Gor, 4:39

...Her hair was blond and straight, tied behind her with a ribbon of blue wool, from the bounding Hurt, dyed in the blood of the Vosk sorp....
---Marauders of Gor, 1:1-2

Kaiila
Although we do find the kaiila in different areas of Gor, the variance in color and eating habits makes each uniquely adapted to its particular environment. What all of these species do have in common is the way they are physiologically suited to desert life. Such traits as the triple lids which protect the eyes from sand and dust as well as the ability to go many days without water, make the kaiila an ideal mount for those who dwell in the more barren lands of the Counter Earth. The kaiila stands twenty to twenty-two hands from ground to shoulder (one hand = 4 inches) which would make it two or three hands taller than the average Clydesdale horse.

The first breed of kaiila we encounter is the large, beautiful meat-eating mount of the Wagon People warriors uniquely adapted to plains life. It is described as silken and lofty, vicious and graceful, long necked and smooth-gaited. It is said to have a storage stomach which allows it to go many days without food, this particular trait being one of the differences between it and the sand kaiila.

The mount of the Wagon Peoples, unknown in the northern hemispheres of Gor, is the terrifying but beautiful kaiila. It is a silken, carnivorous, lofty creature, graceful, long-necked, smooth-gaited. It is viviparous and undoubtedly mammalian...

...A kaiila, which normally stands about twenty to twenty-two hands at the shoulder, can cover as much as six hundred pasangs in a single day's riding.

The head of the kaiila bears two large eyes, one on each side, but these eyes are triply lidded, probably an adaptation to the environment which occasionally is wracked by severe storms of wind and dust; the adaptation, actually a transparent third lid, permits the animal to move as it wishes under conditions that force other prairie animals to back into the wind, or like the sleen, to burrow into the ground....
---Nomads of Gor, 2:13-14

I then saw a kaiila pass. It was lofty, stately, fanged and silken. I had heard of such beasts, but this was the first one I had seen. It was yellow, with flowing hair. Its rider was mounted in a high, purple saddle, with knives in saddle sheaths....
---Fighting Slave of Gor, 13:178

Kaiila, Desert
The desert native black or tawny pelted sand kaiila, closely related to its cousin of the plains is used by Tahari men as a mount. The desert kaiila differs from the kaiila used by those of the Plains in a few ways, one of which is the fact that it is omnivorous rather than exclusively carnivorous.

The sand kaiila, or desert kaiila, is a kaiila, and handles similarly, but it is not identically the same animal which is indigenous, domestic and wild, in the middle latitudes of Gor's southern hemisphere; that animal, used as a mount by the Wagon Peoples, is not found in the northern hemisphere of Gor; there is obviously a phylogenetic affinity between the two varieties, or species; I conjecture, though I do not know, that the sand kaiila is a desert-adapted mutation of the subequatorial stock; both animals are lofty, proud, silken creatures, long-necked and smooth-gaited; both are triply lidded, the third lid being a transparent membrane, of great utility in the blasts of the dry storms of the southern plains or the Tahari; both creatures are comparable in size, ranging from some twenty to twenty-two hands at the shoulder; both are swift; both have incredible stamina; under ideal conditions both can range six hundred pasangs in a day; in the dune country, of course, in the heavy, sliding sands, a march of fifty pasangs is considered good; both, too, I might mention, are high-strung, vicious-tempered animals; in pelt the southern kaiila ranges from a rich gold to black; the sand kaiila, on the other hand, are almost all tawny, though I have seen black sand kaiila; differences, some of them striking and important, however, exist between the animals; most notably, perhaps, the sand kaiila suckles its young; the southern kaiila are viviparous, but the young, within hours after birth, hunt by instinct; the mother delivers the young in the vicinity of game; whereas there is game in the Tahari, birds, small mammals, an occasional sand sleen, and some species of Tabuk, it is rare; the suckling of the young in the sand kaiila is a valuable trait in the survival of the animal; kaiila milk, like verr milk, is used by the peoples of the Tahari; it is reddish and has a strong salty taste; it contains much ferrous sulfate; a similar difference between the two animals, or two sorts of kaiila, is that the sand kaiila is omnivorous, whereas the southern kaiila is strictly carnivorous; both have storage tissues; if necessary, both can go several days without water; the southern kaiila also, however, has a storage stomach, and can go several days without meat; the sand kaiila, unfortunately, must feed more frequently; some of the pack animals in a caravan are used in carrying fodder; whatever is needed, and is not available enroute, must be carried; sometimes, with a mounted herdsman, caravan kaiila are released to hunt Tabuk; a more trivial difference between the sand kaiila and the southern kaiila is that the paws of the sand kaiila are much broader, the digits even webbed with leathery fibers, and heavily padded, than those of its southern counterpart.
---Tribesmen of Gor, 4:70-71

Another variety of kaiila is found in the Barrens, herded and used as mounts by the Red Savages. Although this particular kaiila is essentially described as very similar to the Desert kaiila, it would differ in that it is mentioned to be herbivorous.

...Their culture tends to be nomadic, and is based on the herbivorous, lofty kaiila, substantially the same animal as is found in the Tahari, save for the wider footpads of the Tahari beast, suitable for negotiating deep sand, and the lumbering, gregarious, short-tempered, trident-horned kailiauk. To be sure, some tribes do not have the kaiila, never having mastered it, and certain tribes have mastered the tarn, which tribes are the most dangerous of all.
---Savages of Gor, 1:35

Kailiauk
A large tri-horned herd animal described as a relative of the bosk.  The kailiauk is to the Red Savages much what the bosk is to the Nomads of the Plains. A short-trunked variety is mentioned as living on the Southern Plains.

Even past me thundered a lumbering herd of startled, short-trunked kailiauk, a stocky, awkward ruminant of the plains, tawny, wild, heavy, their haunches marked in red and brown bars, their wide heads bristling with a trident of horns; they had not stood and formed their circle, shes and young within the circle of tridents...
---Nomads of Gor, 1:2

The kailiauk in question, incidentally, is the kailiauk of the Barrens. It is a gigantic, dangerous beast, often standing from twenty to twenty five hands at the shoulder and weighing as much as four thousand pounds. It is almost never hunted on foot except in deep snow, in which it is almost helpless....
---Savages of Gor, 1:40

I looked beyond Hci to the beasts, some two to three pasangs away. The kailiauk is a large, lumbering, shaggy, trident-horned ruminant. It has four stomachs and an eight-valved heart. It is dangerous, gregarious, small-eyed and short-tempered. Adult males can stand as high as twenty or twenty-five hands at the shoulder and weigh as much as four thousand pounds.
---Blood Brothers of Gor, 1:10

...A Smooth Horns is a young, prime bull. Its horns are not yet cracked from fighting and age. The smoothness of the horns, incidentally, is not a purely natural phenomenon. The bulls polish, them, themselves, rubbing them against sloping banks and trees. Sometimes they will even paw down earth from the upper tides of washouts and then use the harder, exposed material beneath, dust scattering about, as a polishing surface. This polishing apparently has the functions of both cleaning and sharpening the horns, two processes useful in intraspecific aggression, the latter process improving their capacity as fighting instruments, in slashing and goring, and the former process tending to reduce the amount of infection in a herd resulting from such combats. Polishing behavior in males thus appears to be selected for. It has consequences, at any rate, which seem to be in the best interests of the kailiauk as a species.
---Blood Brothers of Gor, 5:63

Larl
A wild feline of Gor, the larl is a clawed and fanged carnivorous predator. It is said to be usually a tawney red or black. There is also mention of a huge white larl, encountered by Tarl Cabot in the Sardar mountains.

Some four days into the mountains I heard for the first time in my journey the sound of a thing other than the wind, the sighing of snow and the groaning of ice; it was the sound of a living thing; the sound of a mountain larl.

The larl is a predator, clawed and fanged, quite large, often standing seven feet at the shoulder. I think it would be fair to say that it is substantially feline; at any rate its grace and sinuous power remind me of the smaller but similarly fearsome jungle cats of my old world.

The resemblance is, I suppose, due to the mechanics of convergent evolution, both animals having been shaped by the exigencies of the chase, the stealth of the approach and the sudden charge, and by the requirement of the swift and devastating kill. If there is an optimum configuration for a land predator, I suppose on my old world the palm must go to the Bengal tiger; but on Gor the prize belongs indisputably to the mountain larl; and I cannot but believe that the structural similarities between the two animals, though of different worlds, are more than a matter of accident.

The larl's head is broad, sometimes more than two feet across, and shaped roughly like a triangle, giving its skull something of the cast of a viper's save that of course it is furred and the pupils of the eyes like the cat's and unlike the viper's, can range from knifelike slits in the broad daylight to dark, inquisitive moons in the night.

The pelt of the larl is normally a tawny red or a sable black. The black larl, which is predominantly nocturnal, is maned, both male and female. The red larl, which hunts whenever hungry, regardless of the hour, and is the more common variety, possesses no mane. Females of both varieties tend generally to be slightly smaller than the males, but are quite as aggressive and sometimes even more dangerous, particularly in the late fall and winter of the year when they are likely to be hunting for their cubs. I had once killed a male red larl in the Voltai Range within pasangs of the city of Ar.

In spite of my hatred of Priest-Kings I could not help but admire them. None of the men below the mountains, the mortals, had ever succeeded in taming a larl. Even larl cubs when found and raised by men would, on reaching their majority, on some night, in a sudden burst of atavistic fury slay their masters and under the three hurtling moons of Gor lope from the dwellings of men, driven by what instincts I know not, to seek the mountains where they were born. A case is known of a larl who traveled more than twenty-five hundred pasangs to seek a certain shallow crevice in the Voltai in which he had been whelped. He was slain at its mouth. Hunters had followed him. One among them, an old man who had originally been one of the party that had captured the animal, identified the place.
---Priest-Kings of Gor, 2:18-19

I was struck with wonder, though I was careful to keep beyond the range of their chains, for I had never seen white larls before.

They were gigantic beasts, superb specimens, perhaps eight feet at the shoulder.

Their upper canine fangs, like daggers mounted in their jaws, must have been at least a foot in length and extended well below their jaws in the manner of ancient saber-toothed tigers. The four nostril slits of each animal were flared and their great chests lifted and fell with the intensity of their excitement. Their tails, long and tufted at the end, lashed back and forth.
---Priest Kings of Gor, 2:22

...On the jungle floor, as well, are found jungle larls and jungle panthers, of diverse kinds, and many smaller catlike predators. These, on the whole, however, avoid men. They are less dangerous in the rain forest, generally, than in the northern latitudes. I do not know why this should be the case. Perhaps it is because in the rain forest food is usually plentiful for them, and, thus, there is little temptation for them to transgress the boundaries of their customary prey categories. They will, however, upon occasion, particularly if provoked or challenged, attack with dispatch....
---Explorers of Gor, 32:312

Lart, Snow
A smallish Arctic mammal, eight to ten pounds, possessing two stomachs and which lives on bird eggs and leem. Its fur is snow white in the winter.

The hunter pulled a pelt from the bundle of furs he carried. It was snowy white, and thick, the winter fur of a two-stomached snow lart. It almost seemed to glisten. The slaver's man appreciated its value. Such a pelt could sell in Ar for half a silver tarsk. He took the pelt and examined it. The snow lart hunts in the sun. The food in the second stomach can be held almost indefinitely. It is filled in the fall and must last the lart through the winter night, which lasts months, the number of months depending on the latitude of his individual territory. It is not a large animal. It is about ten inches high and weighs between eight and twelve pounds. It is mammalian, and has four legs. It eats bird's eggs and preys on the leem, a small arctic rodent, some five to ten ounces in weight, which hibernates during the winter.
---Beasts of Gor, 3:74

Leem
A small (5 to 10 ounces) artic rodent hunted by the Red Hunters for its pelt. It is said to hibernate in the winter and its summer coat is described as brown.

... the leem, a small arctic rodent, some five to ten ounces in weight, which hibernates during the winter.

... The hunter drew forth from the bundle of furs two tiny pelts of the leem. These were brown, the summer coats of the animals.
---Beasts of Gor, 3:74-75

Monkeys
Various varieties found and described as living in the jungles, inland of Schendi

Here, too, may be found snakes and monkeys, gliding urts, leaf urts, squirrels, climbing, long-tailed porcupines, lizards, sloths, and the usual varieties of insects, ants, centipedes, scorpions, beetles and flies, and so on. In the lower portion of the canopies, too, can be found heavier birds, such as the ivory-billed woodpecker and the umbrella bird. Guernon monkeys, too, usually inhabit this level....

... In the lower branches of the "ground zone" may be found, also, small animals, such as tarsiers, nocturnal jit monkeys, black squirrels, four-toed leaf urts, jungle varts and the prowling, solitary giani, tiny, cat-sized panthers, not dangerous to man....
---Explorers of Gor, 32:311-312

Panther
A wild feline of Gor; there are mentions of various varieties and colors in different areas such as the forests of the North (Hunters of Gor) as well as in the jungles of Ushindi.

As I ran through the darkness I suddenly saw, before me, some fifty or sixty yards away, four pairs of blazing eyes, a pride of forest panthers. I pretended not to see them and, heart pounding, turned to one side, walking through the trees. At this time, at night, I knew they would be hunting. Our eyes had not met. I had the strange feeling that they had seen me, and knew that I had seen them, as I had seen them, and sensed that they had seen me. But our eyes had not directly met. We had not, so to speak, signaled to one another that we were aware of one another. The forest panther is a proud beast, but, too, he does not care to be distracted in his hunting....
---Captive of Gor, 8:181

... in others there raged the dreadful, tawny, barred panthers of the northern forests.
---Captive of Gor, 12:210

...He had worn at his loins the pelts of the yellow panther....
---Explorers of Gor, 18:236

...On the jungle floor, as well, are found jungle larls and jungle panthers, of diverse kinds, and many smaller catlike predators. These, on the whole, however, avoid men. They are less dangerous in the rain forest, generally, than in the northern latitudes. I do not know why this should be the case. Perhaps it is because in the rain forest food is usually plentiful for them, and, thus, there is little temptation for them to transgress the boundaries of their customary prey categories. They will, however, upon occasion, particularly if provoked or challenged, attack with dispatch....
---Explorers of Gor, 32:313

Porcupine
A long tailed variety is mentioned in Explorers of Gor as part of the jungle fauna.

...Here, too, may be found snakes and monkeys, gliding urts, leaf urts, squirrels, climbing, long-tailed porcupines, lizards, sloths, and the usual varieties of insects, ants, centipedes, scorpions, beetles and flies, and so on....
---Explorers of Gor, 32:311

Quala

...I saw what I first thought was a shadow, but as the tarn passed, it scattered into a scampering flock of tiny creatures, probably the small, three-toed mammals called qualae, dun-colored and with a stiff, brushy mane of black hair....
---Tarnsman of Gor, 12:140-141

Small straight bows, of course, not the powerful long bow, are, on the other hand, reasonably common on Gor, and these are often used for hunting light game, such as the brush-maned, three-toed Qualae, the yellow-pelted, single-horned Tabuk, and runaway slaves.
---Raiders of Gor, 1:4

Slee

In the lower branches of the "ground zone" may be found, also, small animals, such as tarsiers, nocturnal jit monkeys, black squirrels, four-toed leaf urts, jungle varts and the prowling, solitary giani, tiny, cat-sized panthers, not dangerous to man... On the floor itself are also found several varieties of animal life, in particular marsupials, such as the armored gatch, and rodents, such as slees and ground urts.
---Explorers of Gor, 32:313

Sleen
A large vicious 6 legged lizard-like furred mammal of many varieties both on land and in water, that is often domesticated to herd cattle, hunt, and track slaves.
The various types of sea-sleen can be found on the Sealife page.

There are several varieties of sleen on Gor, which is a multiply adapted animal, for example, prairie sleen, forest sleen, jungle sleen, snow sleen, sea sleen, and such. They are all "viperheaded," lengthy, and snakelike, but are furred and mammalian.

For the most part, they are burrowing animals, and live in burrows. Like the cat they can hunt, and are willing to hunt, at any time of the day or night, but, on the whole, they are nocturnal, preferring to hunt at night. They have large, round eyes, and are beautifully dark-adapted.

They are Gor's best trackers, being relentless and tenacious. They have been known to pick up a trail several weeks old. Sleen are trained for hunting, for tracking, for herding, for war, and so on.

They can be as small as a cat, but are usually a large animal. They have six legs, which carry the elongated, snakelike body. When approaching prey they have a low, snakelike, serpentine movement. In the wild, like the cat, they stalk, approach with stealth, and then, with great suddenness, charge. They have a strong bestial odor, and will, accordingly normally approach prey from downwind.

They can form close attachments with their masters, rather like dogs. On the other hand, if the master dies, the animal is often killed, as it may become extremely dangerous, being likely to revert, so to speak, to the wild.

There are several extra vertebrae in the spine of the sleen, which give it a serpentine agility and suppleness. Some sleen have a single row of fangs and others a double row of fangs. All, of course, are carnivorous.
---John Norman, Letter to The Gorean Group, Sept 20th, 2000

The vicious, six-legged sleen, large-eyed, sinuous, mammalian but resembling a furred, serpentine lizard, was a reliable, indefatigable hunter. He could follow a scent days old with ease, and then, perhaps hundreds of pasangs, and days, later, be unleashed for the sport of the hunters, to tear his victim to pieces.
---Raiders of Gor, 9:105

There are many varieties of sleen, and most varieties can be, to one extent or another, domesticated. The two most common sorts of trained sleen are the smaller, tawny prairie sleen, and the large, brown or black forest sleen, sometimes attaining a length of twenty feet. In the north, I am told the snow sleen has been domesticated. The sleen is a dangerous and fairly common animal on Gor, which has adapted itself to a variety of environments. There is even an aquatic variety, called the sea sleen, which is one of the swiftest and most dreaded beasts in the sea....

Sleen are used for a multitude of purposes on Gor, but most commonly they are used for herding, tracking, guarding and patrolling. The verr and the bosk are the most common animals herded; tabuk and slave girls are the most common animals tracked; the uses to which the sleen is put to guarding and patrolling are innumerable; it is used to secure borders, to prowl walls and protect camps; it may run loose in the streets after curfews....
---Slave Girl of Gor, 8:185-186

...Conspicuously absent in the rain forests of the Ua were sleen. This is just as well for the sleen, commonly, hunts on the first scent it takes upon emerging from its burrow after dark. Moreover it hunts single-mindedly and tenaciously. It can be extremely dangerous to men, even more so, I think, than the Voltai, or northern, larl. I think the sleen, which is widespread on Gor, is not found, or not frequently found, in the jungles because of the enormous rains, and the incredible dampness and humidity. Perhaps the sleen, a burrowing, furred animal, finds itself uncomfortable in such a habitat. There is, however, a sleenlike animal, though much smaller, about two feet in length and some eight to ten pounds in weight, the zeder, which frequents the Ua and her tributaries. It knifes through the water by day and, at night, returns to its nest, built from sticks and mud in the branches of a tree overlooking the water.
---Explorers of Gor, 32:312

Sleen, Forest
Usually brown or black in color, and measure up to 20 feet in length
. They are seen used as 'hunting sleen' for the tracking of game or men.

I crouched down. The animal had been released. Its head was now fully through the door. Its head was wide and triangular. Suddenly the eyes took the light of the lamp and blazed. And then, the head moving, its eyes no longer reflected The light. It no longer faced the light. Rather it was watching me.
The animal was some twenty feet in length, some eleven hundred pounds in weight, a forest sleen, domesticated. It was double fanged and six-legged. It crouched down and inched forward. Its belly fur must have touched the tiles. It wore a leather sleen collar but there was no leash on the leash loop.
I had thought it was trained to hunt tabuk with archers, but it clearly was not tabuk it hunted now.
I knew the look of a hunting sleen. It was a hunter of men....

... The beast watched me closely. For the first time it snarled, menacingly.
Then the tail stopped lashing, and became almost rigid. Then the ears lay back against its head.
It charged, scratching and scrambling, slipping suddenly, on the tiles. The girl screamed. The cast fur, capelike, shielding me, enveloped the leaping animal. I leaped to the couch, and rolled over it, and bounded to my feet. I heard the beast snarling and squealing, casting aside the fur with an angry shaking of its body and head. Then it stood, enraged, the fur torn beneath its paws, snarling and hissing. It looked up at me. I stood now upon the couch, the ax of Torvaldsland in my hand.
I laughed, the laugh of a warrior.
"Come my friend," I called to it. "let us engage."
It was a truly brave and noble beast. Those who scorn the sleen I think do not know him. Kurii respect the sleen, and that says much for the sleen, for its courage, its ferocity and its indomitable tenacity.
---Beasts of Gor, 1:12-13

Sleen, Grey
Said to be the best tracker on Gor, it is described as 14-15 feet long and as its name indicates, grey in color.

"Keep your legs apart," he said. "It is a gray sleen. I raised it from a whelp. Ah, greetings, Borko! How are you, old fellow!"
I would have screamed and reared up, but I was thrust back, helpless, half strangled, scarcely able to utter a sound, to the step. So our masters can control us by our collars. To my terror, then, pushing over my body, to thrust its great jaws and head, so large I could scarcely have put my arms around them, into the hands and arms of my master, was an incredible beast. It had an extremely agile, active, sinuous body, as thick as a drum, and perhaps fourteen or fifteen feet long. It might have weighed a thousand pounds. Its broad head was triangular, almost viperlike, but it was furred. This thing was a mammal, or mammalian. Its eyes now had pupils like slits, like those of a cat in sunlight. So quickly then might its adaptive mechanisms have functioned. About its muzzle were gray hairs, grayer than the silvered gray of its fur. It had six legs.
"Good lad!" said my master, roughly fondling that great, fierce head.
"We have been through much together, Borko and I," said my master. "He has even, twice, saved my life. Once when I was struck, unexpectedly, by one foolishly thought to be a friend, the origin of this scar," he said, indicating good-humoredly the hideous, jagged tissue at the left side of his face, "I told Borko to hunt. The fellow did not escape. Borko brought part of him back to me, in his jaws."

... "Borko," he said, "is a seasoned hunting sleen. Even to strangers he would bring a hundred times what you would bring in the market."

... "Learn slave," he said. "Learn slave."
I then began to whimper. "Hold still," said my master.
The beast then began to push its nose and muzzle about me, thrusting it here and there, about me. I now understood why I had been spread as I had, on the steps.
"The sleen," he said, "and especially the gray sleen, is Gor's finest tracker. It is a relentless, tenacious tracker. It can follow a scent that is weeks old, for a thousand pasangs."
I
whimpered, the beast's snout thrust between my thighs, sniffing.
"Please, Master," I whimpered.
I felt it nuzzling then at my waist and breasts. It was learning me.
"Do you know what the sleen hunts?" he asked.
"No, Master," I whimpered.
"In the wild it commonly hunts tabuk and wild tarsk," he said, "but it is an intelligent beast, and it can be trained to hunt anything."
"Yes, Master," I whimpered.
He held back my right arm, further, exposing more the armpit.
"Do you know what Borko is trained to hunt?" he asked.
"No, Master," I said.
I felt the snout of the beast then poking about my throat and under my chin, to the side, and then at the side of my neck. My maser then held my left arm further, exposing the armpit to the beast.
"It is trained to hunt men, and slaves," he said.
---Dancer of Gor, 10:160-161

Sleen, Miniature
A miniature version of the sleen, domesticated and said to be sometimes kept as a pet. It is also mentioned as used in the control of urt infestation of Sa-Tarna sheds.

..."Don't you really think so? What self-respecting rapist or slaver would be abroad at this hour? What would he expect to find? A miniature domestic sleen among the garbage cans?..."
---Mercenaries of Gor, 26:407

...To be sure, at that time, I did not know about the miniature, silken sleen that are sometimes kept as sinuous pets....
---Dancer of Gor, 11:167

Sleen, Prairie
The somewhat smaller cousin of the forest sleen, tawny colored, domesticated by the Wagon People to herd cattle and guard camp.

... farther to one side I saw a pair of prairie sleen, smaller than the forest sleen but quite as unpredictable and vicious, each about seven feet in length, furred, six-legged, mammalian, moving in their undulating gait with their viper's heads moving from side to side, continually testing the wind ...
---Nomads of Gor, 1:2

If I were found on the plains near the camps or the bosk herds I knew I would be scented out and slain by the domesticated, nocturnal herd sleen, used as shepherds and sentinels by the Wagon Peoples, released from their cages with the falling of darkness. These animals, trained prairie sleen, move rapidly and silently, attacking upon no other provocation than trespass on what they have decided is their territory. They respond only to the voice of their master, and when he is killed or dies, his animals are slain and eaten.
---Nomads of Gor, 1:9

Sleen, Snow
White furred sleen of the Northern areas.

Sloth

...Here, too, may be found snakes and monkeys, gliding urts, leaf urts, squirrels, climbing, long-tailed porcupines, lizards, sloths, and the usual varieties of insects, ants, centipedes, scorpions, beetles and flies, and so on....
---Explorers of Gor, 32:311

Squirrels

...Here, too, may be found snakes and monkeys, gliding urts, leaf urts, squirrels, climbing, long-tailed porcupines, lizards, sloths, and the usual varieties of insects, ants, centipedes, scorpions, beetles and flies, and so on....
---Explorers of Gor, 32:311

...In the lower branches of the "ground zone" may be found, also, small animals, such as tarsiers, nocturnal jit monkeys, black squirrels, four-toed leaf urts, jungle varts and the prowling, solitary giani, tiny, cat-sized panthers, not dangerous to man....
---Explorers of Gor, 32:312

Tabuk
Single horned antelope of yellowish or tawny fur, depending on the region it inhabits.

The most common type of tabuk is the small graceful yellow variety which can often be found among the ka-la-na thickets.

The tabuk is the most common Gorean antelope, a small graceful animal, one-horned and yellow, that haunts the Ka-la-na thickets of the planet and occasionally ventures daintily into its meadows in search of berries and salt. It is also one of the favorite kills of a tarn.
---Outlaw of Gor, 14:126

A Northern, much larger variety is mentioned in Beasts of Gor, described as massive and having a yard long horn of swirling ivory.

They were northern tabuk, massive, tawny and swift, many of them ten hands at the shoulder, a quite different animal from the small, yellow-pelted, antelope-like quadruped of the south. On the other hand, they too were distinguished by the single horn of the tabuk.  On these animals, however, that object, in swirling ivory, was often, at its base, some two and one half inches in diameter, and better than a yard in length. A charging tabuk, because of the swiftness of its reflexes, is quite a dangerous animal....
---Beasts of Gor, 9:152

At the end of the wall Inmak wept, seeing the strewn fields of slaughtered tabuk. The fur and hide of the tabuk provides the red hunters not only with clothing, but it can also be used for blankets, sleeping bags and other articles....Too, they may be used for buckets and tents, and for kayaks, the light narrow hunting canoes of skin from which sea mammals may be sought. Lashings, harpoon lines, cords and threads can be fashioned from its sinews. Carved, the bone and horn of the animal can function as arrow points, needles, thimbles, chisels, wedges, and knives. Its fat and bone marrow can be used as fuel. Too, almost all of the animal is edible....
---Beasts of Gor, 11:169-170

The tawny, prairie tabuks of the Barrens, are described as gazelle-like. Comments such as 'some varieties of prairie tabuks' would indicate that there is indeed, more than one kind of prairie tabuk.

...Once a tabuk, a prairie tabuk, tawny in the Barrens, single-horned, gazellelike, had grazed nearby....

... Some varieties of prairie tabuk, interestingly, when sensing danger, tend to lie down. This is counterinstinctual for most varieties of tabuk, which, when sensing danger, tend to freeze, in a tense, standing position and then, if alarmed further, tend to scurry away, depending on their agility and speed to escape the predators. The standing position, of course, as is the case with bipedalian creatures, tends to increase their scanning range. The response disposition of lying down, apparently selected for in some varieties of tabuk, tends to be useful in an environment in which high grass is plentiful and one of the most common predators depends primarily on vision to detect and locate its prey. This predator, as would be expected, normally attacks from a direction in which its shadow does not precede it. Any tabuk, of course, if it is sufficiently alarmed, will bound away. It can attain short-term speeds of from eighty to ninety pasangs an Ahn. Its evasive leaps, in the Gorean gravity, can cover from thirty to forty feet in length, and attain heights of ten to fifteen feet. ...
---Blood Brothers of Gor, 37:316-317

Other varieties
As many as 20 small kinds of tabuk are said to be found in the Jungles of Schendi.

...On the floor itself are also found several varieties of animal life, in particular marsupials, such as the armored gatch, and rodents, such as slees and ground urts. Several varieties of tarsk, large and small, also inhabit this zone. More than six varieties of anteater are also found here, and more than twenty kinds of small, fleet, single-horned tabuk....
---Explorers of Gor, 32:312

Tarsier

...In the lower branches of the "ground zone" may be found, also, small animals, such as tarsiers, nocturnal jit monkeys, black squirrels, four-toed leaf urts, jungle varts and the prowling, solitary giani, tiny, cat-sized panthers, not dangerous to man....
---Explorers of Gor, 32:312

Tarsk
Six-tusked shaggy maned boar that inhabits the temperate forests of Gor. Described as flat-snouted, short-legged and extremely vicious, this porcine quadruped has a bristly mane which runs down its spine to the base of the tail. Commonly roasted whole. The town of Market of Semris is famed for its tarsk markets.

I looked up. The slave boy, Fish, had emerged from the kitchen, holding over his head on a large silver platter a whole roasted tarsk, steaming and crisped, basted, shining under the torchlight, a larma in its mouth, garnished with suls and Tur-pah.
--- Raiders of Gor, 15:219

We were not in Samnium, but in the Market of Semris. This is a much smaller town, south, and somewhat to the east, of Samnium. It is best known, interestingly enough, ironically enough, as an important livestock market. In particular, it is famed for its sales of tarsks....
---Dancer of Gor, 8:106

Telima had prepared a roast tarsk, stuffed with suls and peppers from Tor.
---Raiders of Gor, 9:114

Urt
Rodent of all areas of Gor that is adapted to the various climates, its color and size varies. There are many varieties of urts, some as small as mice, others as large as tapirs, or larger. Urts are rodents, or rodentlike.

They occupy the same sorts of ecological niches on Gor which rodents, of various sorts, occupy on Earth. They function well on land and are also at home in the water, much like sewer rats. They are found not only in the wild, but also, for example, in the slums, in insulae, in the canals of Port Kar, and so on. They are generally brown, black or gray. They tend to be nasty, and, when hungry, can become quite aggressive, particularly in the water, where their agility and speed supplies them with a considerable advantage over many other animals. Their ears are commonly pointed, and can lay back against the head, streamlining the body. The eyes tend to be round, and large. (So, too, are the eyes of the sleen.) Their demeanor seems to be furtive, and they can move, and turn, very quickly.
---John Norman, Letter to The Gorean Group, Sept 20th, 2000

The urt is a loathsome, horned Gorean rodent; some are quite large, the size of wolves or ponies, but most are very small, tiny enough to be held in the palm of one hand.
---Nomads of Gor, 10:125

...Over her shoulder she had two small, furred animals, hideous forest urts, about the size of cats, and in her left hand she carried four small, green-and-yellow-plumaged birds.
---Captive of Gor, 13:237

It was a giant urt, fat, sleek and white; it bared it three rows of needlelike white teeth at me and squealed in anger; two horns, tusks like flat crescents curved from its jaw; another two horns, similar to the first, modifications of the bony tissue forming the upper ridge of the eye socket, protruded over those gleaming eyes that seemed to feast themselves upon me, as it waiting the permission of the keeper to hurl itself on its feeding trough. Its fat body trembled with anticipation.
---Outlaw of Gor, 10:86

...We may perhaps, somewhat loosely, speak of this first zone as the "floor," or, better, "ground zone," of the rain forest. In the level of the emergents there live primarily birds, in particular parrots, long-billed fleers, and needle-tailed lits. Monkeys and tree urts, and snakes and insects, however, can also be found in this highest level....
---Explorers of Gor, 32:311

...Here, too, may be found snakes and monkeys, gliding urts, leaf urts, squirrels, climbing, long-tailed porcupines, lizards, sloths, and the usual varieties of insects, ants, centipedes, scorpions, beetles and flies, and so on.

In the lower portion of the canopies, too, can be found heavier birds, such as the ivory-billed woodpecker and the umbrella bird. Guernon monkeys, too, usually inhabit this level. In the ground zone, and on the ground itself, are certain birds, some flighted, like the hook-billed gort, which preys largely on rodents, such as ground urts, and the insectivorous whistling finch, and some unflighted, like the grub borer and land gim....
---Explorers of Gor, 32:311

...In the lower branches of the "ground zone" may be found, also, small animals, such as tarsiers, nocturnal jit monkeys, black squirrels, four-toed leaf urts, jungle varts and the prowling, solitary giani, tiny, cat-sized panthers, not dangerous to man. On the floor itself are also found several varieties of animal life, in particular marsupials, such as the armored gatch, and rodents, such as slees and ground urts....
---Explorers of Gor, 32:312

Vart
Flying blind carnivorous rodent that resembles a large version of the earth bat.

Perhaps most I dreaded those nights filled with the shrieks of the vart pack, a blind, batlike swarm of flying rodents, each the size of a small dog. They could strip a carcass in a matter of minutes...
---Outlaw of Gor, 3:26

...I could, however, recognize a row of brown varts, clinging upside down like large matted fists of teeth and fur and leather on the heavy, bare, scarred branch in their case....
---Priest-Kings of Gor, 25:191

..."In the lower branches of the "ground zone" may be found, also, small animals, such as tarsiers, nocturnal jit monkeys, black squirrels, four-toed leaf urts, jungle varts and the prowling, solitary giani, tiny, cat-sized panthers, not dangerous to man....
---Explorers of Gor, 32:312

Verr
Domesticatable mountain goat, herded for its milk and meat. The verr likely exists in a number of varieties though only two are actually mentioned.

The verr was a mountain goat indigenous to the Voltai. It was a wild, agile, ill-tempered beast, long-haired and spiral-horned. Among the Voltai crags it would be worth one's life to come within twenty yards of one.
---Priest-Kings of Gor, 8:63

I passed fields that were burning, and burning huts of peasants, the smoking shells of Sa-Tarna granaries, the shattered, slatted coops for vulos, the broken walls of keeps for the small, long-haired domestic verr, less belligerent and sizable than the wild verr of the Voltai Ranges.
---Nomads of Gor, 2:10

Zeder
A small, sleen like animal, about two feet in length that frequents the rivers of the tropical jungles of Schendi.

...There is, however, a sleenlike animal, though much smaller, about two feet in length and some eight to ten pounds in weight, the zeder, which frequents the Ua and her tributaries. It knifes through the water by day and, at night, returns to its nest, built from sticks and mud in the branches of a tree overlooking the water.
---Explorers of Gor, 32:312

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research and commentary Nicole Gonzalez
editing Michele C. Clark
for worldofgor.com.