# Animals

**Type:** Topic
**Words:** 531

## About

Mammals, birds, fish, insects, and the words biologists use to describe them.

## Words by Level

### A1
- dog — A common four-legged animal often kept as a pet or for work.; frequency rank 529
- horse — A large four-legged animal that people ride and use for pulling loads.; frequency rank 857
- fish — An animal that lives in water and breathes through gills, usually with scales and fins.; frequency rank 876
- cat — A small furry animal with whiskers and a tail, often kept as a pet.; frequency rank 1029
- chicken — A common farm bird kept for its eggs and meat.; frequency rank 1211
- animal — A living creature that can move and feel, such as a dog, bird, or fish, but not a plant.; frequency rank 1325
- bird — An animal with feathers and wings that lays eggs and can usually fly.; frequency rank 1336
- pig — A farm animal with a fat body, short legs, and a flat nose, kept for its meat.; frequency rank 1744
- egg — A rounded object laid by a bird, especially a hen, used as food.; frequency rank 2306
- cow — A large female farm animal kept for its milk and meat.; frequency rank 2359
- snake — A long, legless reptile with a thin body and a forked tongue.; frequency rank 2477
- tiger — A large, powerful wild cat with orange fur and black stripes, native to Asia.; frequency rank 2674
- lion — A large wild cat with a tan coat, the males having a shaggy mane, native to Africa and India.; frequency rank 2867
- sheep — A farm animal with a thick woolly coat, kept for its wool and meat.; frequency rank 3041
- rabbit — A small furry animal with long ears and a short tail that lives in burrows.; frequency rank 3059
- mouse — A small furry animal with a pointed nose, small ears and a long thin tail.; frequency rank 3337
- butterfly — A flying insect with large, often brightly coloured wings.; frequency rank 5513
- den — a wild animal's lair; frequency rank 5532

### A2
- whoa — used as a command for a horse or other animal to stop or slow down; frequency rank 500
- bear — A large, heavy wild animal with thick fur and strong claws.; frequency rank 1065
- monkey — A small to medium-sized animal that usually has a long tail and lives mainly in trees.; frequency rank 2204
- creature — A living thing, especially an animal.; frequency rank 2374
- duck — A common water bird with a flat beak, short legs, and webbed feet.; frequency rank 2612
- bug — A small insect; frequency rank 3183
- pet — An animal that you keep at home for company and pleasure.; frequency rank 3214
- shell — The hard outer covering of an animal such as a snail, crab, or turtle.; frequency rank 3633
- elephant — A very large grey animal with a long trunk and big ears, found in Africa and Asia.; frequency rank 3749
- web — The thin net of fine threads that a spider makes to catch insects.; frequency rank 4185
- frog — A small, smooth-skinned animal with long back legs that lives in or near water and jumps.; frequency rank 4858
- armor — tough more-or-less rigid protective covering of an animal or plant; frequency rank 5754
- feather — One of the light, soft structures that cover a bird's body.; frequency rank 6953
- dinosaur — A large reptile that lived millions of years ago and is now extinct.; frequency rank 7600
- insect — A small animal with six legs and a hard outer shell, and usually one or two pairs of wings, such as an ant, fly, or beetle.; frequency rank 8466
- meow — the characteristic crying sound made by a cat; frequency rank 8983
- flea — A tiny jumping insect that bites animals and people and feeds on their blood.; frequency rank 11003
- chirp — A short, high, cheerful sound made by a small bird or insect.; frequency rank 18992
- frighten off — to make someone or something go away by causing fear

### B1
- horn — A hard pointed growth on the head of some animals, such as cows or goats.; frequency rank 2017
- beast — An animal, especially a large or dangerous wild one.; frequency rank 2358
- tail — The long, thin part that sticks out at the back of an animal's body.; frequency rank 2588
- wing — One of the two body parts a bird, bat, or insect uses to fly.; frequency rank 2979
- cage — A container made of bars or wire for keeping animals or birds.; frequency rank 3215
- circus — A traveling show with acrobats, clowns, and trained animals, usually held in a large tent.; frequency rank 3443
- shark — a mostly marine fish with a cartilaginous skeleton, rough skin, and several rows of teeth; frequency rank 3618
- bee — A flying insect that collects pollen from flowers and, in some species, makes honey.; frequency rank 3938
- lamb — A young sheep.; frequency rank 4073
- spider — A small eight-legged creature that spins webs to catch insects.; frequency rank 4269
- turtle — A reptile with a hard protective shell, living on land or in water.; frequency rank 4427
- puppy — A young dog.; frequency rank 4586
- whale — A very large mammal that lives in the sea and breathes air through a hole on top of its head.; frequency rank 4897
- phoenix — A mythical bird that burns itself to ashes and then rises again, born new from the ashes.; frequency rank 5508
- salmon — A large fish with pink-orange flesh that swims up rivers to lay eggs; it is a popular food.; frequency rank 6161
- herd — A large group of animals of one kind, especially cattle or other livestock, that live or move together.; frequency rank 6174
- crow — A large black bird with a harsh, croaking call.; frequency rank 6255
- breed — A particular type of a domestic animal within a species.; frequency rank 6535
- tuna — A large sea fish that is often eaten as food.; frequency rank 6664
- ant — A small insect that lives in large, organized groups underground.; frequency rank 7429
- mule — An animal that is the offspring of a male donkey and a female horse.; frequency rank 7462
- camel — A large desert animal with one or two humps on its back, used for carrying people and goods.; frequency rank 7501
- parrot — A brightly coloured tropical bird with a hooked beak that can copy human speech.; frequency rank 7590
- flock — A group of birds or sheep that stay together.; frequency rank 8249
- kitten — A young cat.; frequency rank 8372
- farming — The work of growing crops and raising animals on a farm.; frequency rank 9025
- beaver — A large furry animal with a flat tail that lives near water and builds dams.; frequency rank 9052
- dolphin — An intelligent sea mammal with a long nose, known for being playful and friendly toward humans.; frequency rank 9547
- wildlife — Wild animals and plants living in their natural surroundings.; frequency rank 9614
- cod — A large sea fish with white flesh, often eaten as food.; frequency rank 10360
- mosquito — A small flying insect whose females bite people and animals to suck blood, leaving an itchy bump and sometimes spreading diseases.; frequency rank 10684
- extinction — The situation in which a species or group no longer exists.; frequency rank 11044
- goldfish — a small domesticated freshwater fish, usually orange or golden, commonly kept in ponds or aquariums; frequency rank 11129
- das — any of several small ungulate mammals of Africa and Asia with rodent-like incisors and feet with hooflike toes; frequency rank 11530
- alligator — a large semiaquatic reptile related to crocodiles, with a broad rounded snout; frequency rank 11669
- habitat — The natural place where a plant or animal lives.; frequency rank 12288
- giraffe — A tall African animal with a very long neck and legs and spotted skin.; frequency rank 13280
- cheetah — a slender, long-legged spotted cat of Africa and Iran, noted for its exceptional speed over short distances; frequency rank 13598
- swarm — A large group of insects, especially bees, flying close together.; frequency rank 14671
- safari — A trip, usually in Africa, to watch or photograph wild animals in their natural surroundings.; frequency rank 14846
- grasshopper — a plant-eating insect with powerful hind legs adapted for jumping; frequency rank 16644
- flamingo — a tall wading bird with long legs, a curved bill, and usually pink or reddish feathers; frequency rank 21392
- anteater — a toothless mammal of tropical America with a long snout and tongue, specialized for feeding on ants and termites; frequency rank 43264
- mare — a female horse or other equine animal
- trout — a common freshwater fish with a speckled body, prized as a game fish
- udder — the mammary gland of female cattle and other mammals, which produces milk

### B2
- martin — a swallow-like bird with long pointed wings that catches insects while flying; frequency rank 1478
- wolf — A large wild animal of the dog family that hunts in groups.; frequency rank 2343
- species — A group of living things that are similar and can breed with one another.; frequency rank 2771
- jay — a noisy, often brightly colored bird of the crow family, typically with a crest; frequency rank 2909
- fox — A wild animal like a small dog, with reddish-brown fur, pointed ears, and a long bushy tail.; frequency rank 2991
- bat — A small flying animal that comes out at night and feeds on insects or fruit.; frequency rank 3005
- seal — A sea animal with smooth fur and flippers that lives partly in water and partly on land.; frequency rank 3099
- goat — A farm animal with horns, kept for its milk, meat, and wool.; frequency rank 3756
- eagle — A large, powerful bird of prey with a hooked beak and very sharp eyesight.; frequency rank 4056
- barn — A large farm building used to store crops or keep animals.; frequency rank 4063
- ranch — a large farm or tract of land used primarily for raising cattle, sheep, horses, or other livestock; frequency rank 4358
- deer — A wild animal with long legs and hooves; the males often have antlers.; frequency rank 5030
- donkey — A grey animal with long ears, similar to a small horse, used for carrying loads.; frequency rank 5346
- ling — A long, slender saltwater fish related to cod, often eaten as food.; frequency rank 6579
- swan — A large water bird with a long neck and usually white feathers.; frequency rank 6765
- owl — A bird of prey that is active mainly at night, with large forward-facing eyes, a flat face, and excellent hearing.; frequency rank 6883
- dove — A small, usually white or grey bird similar to a pigeon, often used as a symbol of peace.; frequency rank 7638
- falcon — a fast-flying bird of prey of the genus Falco, with long pointed wings and a hooked beak; frequency rank 8911
- crocodile — A large reptile with a long body, powerful jaws, and sharp teeth that lives in and near rivers in hot countries.; frequency rank 9323
- leopard — A large wild cat with a spotted coat, found in Africa and Asia.; frequency rank 9405
- leash — A strap, cord, or rope used to hold and control an animal, especially a dog.; frequency rank 9452
- octopus — a soft-bodied sea animal with eight sucker-bearing arms; frequency rank 9757
- paw — The foot of an animal such as a dog, cat, or bear, that has claws.; frequency rank 10743
- sparrow — A small, common brown and gray bird with a short beak.; frequency rank 11082
- clam — A sea animal with a soft body inside two hard shells, often eaten as food.; frequency rank 11385
- cockroach — a fast-running, usually flattened insect of the order Blattodea, several species of which are common household pests; frequency rank 11428
- zebra — A wild African animal like a horse, with black and white stripes.; frequency rank 12373
- beak — The hard, pointed mouth of a bird.; frequency rank 12610
- squeak — a short, high-pitched sound made by a small animal or by objects rubbing together; frequency rank 12704
- kangaroo — A large Australian animal with strong back legs that moves by jumping and carries its young in a pouch.; frequency rank 13109
- lark — A small brown bird known for its tuneful singing, often heard high in the sky.; frequency rank 13154
- catfish — a mainly freshwater fish with whiskerlike barbels around its mouth; frequency rank 14911
- poodle — a breed of intelligent dog with a dense, curly coat, occurring in standard, miniature, and toy sizes; frequency rank 14962
- mammoth — a large extinct elephant-like mammal of the genus Mammuthus, often with long curved tusks and a hairy coat; frequency rank 15223
- wasp — A flying insect with a thin black-and-yellow body that can give a painful sting.; frequency rank 15299
- rodent — relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawing; frequency rank 17438
- dodo — a large flightless bird formerly native to Mauritius that became extinct in the seventeenth century; frequency rank 17589
- stork — a large long-legged wading bird with a long straight bill, belonging to the family Ciconiidae; frequency rank 18792
- hyena — a strong-jawed carnivorous mammal of Africa and Asia, known for scavenging and for calls that can resemble laughter; frequency rank 19292
- mane — Longer hair growth on back of neck of an animal, especially a horse or lion.; frequency rank 20072
- pelican — a large waterbird with a long bill and a broad, expandable throat pouch used for catching fish; frequency rank 20453
- beagle — A small dog with short legs and a smooth coat, often kept as a pet and used for hunting.; frequency rank 22055
- horseshoe — a U-shaped metal plate fixed to a horse's hoof; frequency rank 22833
- rhinoceros — A large, heavy African or Asian animal with thick grey skin and one or two horns on its nose.; frequency rank 23260
- racehorse — a horse bred and trained to compete in races; frequency rank 25140
- termite — a pale, soft-bodied social insect that lives in a colony and feeds chiefly on wood or other cellulose-rich material; frequency rank 27312
- haddock — a North Atlantic marine fish related to cod and widely caught for food; frequency rank 28745
- sty — a pen or enclosure in which pigs are kept; frequency rank 31304
- collie — a dog of any of several related herding breeds, typically alert, agile, and long-muzzled; frequency rank 31554
- skylark — A small brown bird known for singing while flying high into the air.; frequency rank 41278
- birdcage — A cage for keeping a pet bird in.; frequency rank 44438
- cobweb — a spider's web, especially an old, dusty, or irregular one; frequency rank 45460
- rein — a long, narrow strap attached to a horse's bit, used to guide or control the animal
- whisker — one of the long, stiff hairs growing near the mouth of some animals, such as cats or mice, used for sensing
- hummingbird — a tiny bird that can hover and feeds on nectar
- jellyfish — a soft sea animal with a gelatinous body and stinging tentacles
- prosternum — entomology: the ventral exoskeletal plate of an insect's prothorax
- prick up — to rise or stand upright, especially in response to a sound

### C1
- nest — A structure that a bird or other animal builds to lay eggs and raise its young.; frequency rank 4154
- goose — A large water bird with webbed feet and a long neck, bigger than a duck.; frequency rank 4934
- prey — An animal that is hunted and eaten by another animal.; frequency rank 4969
- hawk — a bird of prey with keen eyesight, broad wings, and a hooked bill; frequency rank 6030
- pigeon — A common grey bird with a plump body and short legs, often seen in towns and cities.; frequency rank 6648
- predator — An animal that hunts and kills other animals for food.; frequency rank 8531
- peacock — A large male bird with a long, brightly coloured tail that it can spread out like a fan.; frequency rank 11014
- parasite — An animal or plant that lives on or inside another and feeds off it.; frequency rank 11193
- antenna — one of a pair of mobile appendages on the head of e.g. insects and crustaceans; frequency rank 11938
- hedgehog — A small spiny mammal that rolls into a ball when threatened and is active at night.; frequency rank 12988
- aquarium — A glass tank or bowl filled with water for keeping fish and other water animals.; frequency rank 13131
- snail — A small slow-moving animal with a soft body and a spiral shell on its back.; frequency rank 13563
- mink — a small, dark-furred semiaquatic carnivorous mammal related to weasels; frequency rank 14004
- stallion — an adult uncastrated male horse, especially one kept for breeding; frequency rank 14263
- fetus — An unborn or unhatched vertebrate showing signs of the mature animal.; frequency rank 14592
- hoof — the hard covering at the end of the foot of a horse, deer, sheep, or other ungulate; frequency rank 17150
- louse — a small, wingless parasitic insect that lives on the skin, hair, or feathers of a person or animal; frequency rank 18924
- shrew — a small, active, insect-eating mammal with a pointed snout, resembling a mouse; frequency rank 23210
- manger — an open box or trough in a stable from which horses, cattle, or other animals feed; frequency rank 23400
- mite — any of numerous minute arachnids, many of which live as parasites on animals or plants; frequency rank 23452
- tigress — a female tiger; frequency rank 24966
- lasso — a long rope with a sliding loop used especially to catch cattle or horses; frequency rank 26752
- centaur — in Greek mythology, a creature with a horse's body and a human head, arms, and torso; frequency rank 32741
- burro — a small donkey, especially one used as a pack animal in the southwestern United States or Mexico; frequency rank 35592
- ewe — An adult female sheep.; frequency rank 35690
- ibis — a long-legged wading bird with a long, downward-curving bill used to probe mud for food; frequency rank 37667
- septum — a wall or partition separating two cavities or regions in an animal or plant body; frequency rank 38530
- warthog — a large African wild pig with tusks and wartlike growths on its face; frequency rank 40521
- antler — one of the branching bony structures grown and usually shed each year by deer and related animals; frequency rank 42254
- canter — a controlled three-beat gait of a horse, faster than a trot but slower than a gallop; frequency rank 42282
- earwig — an elongated insect with a pair of forceps-like pincers at the end of its abdomen; frequency rank 48546
- tepee — a portable conical dwelling traditionally made from poles and animal hides or canvas by Indigenous peoples of the North American Plains; frequency rank 49401
- domesticate — To tame an animal so it can live with and be useful to humans.; frequency rank 67680
- horsemanship — skill in riding, handling, and sometimes training horses; frequency rank 74859
- invertebrate — an animal without a backbone, such as an insect, mollusk, or worm; frequency rank 85933
- budgerigar — a small Australian parakeet, Melopsittacus undulatus, commonly kept as a cage bird and bred in many colors; frequency rank 116728
- forepaw — either of the two front paws of a four-legged animal; frequency rank 285954
- tail-feather — one of the feathers in a bird's tail
- wing-feather — one of the feathers of a bird's wing

### C2
- shepherd — a herder of sheep, often on an open range; frequency rank 5023
- lizard — Any reptile of the order Squamata that is not a snake or part of Mosasauria — typically characterised by a rounded torso, a short neck with an elevated head, four limbs and a long tail, although some species are legless.; frequency rank 7642
- coop — a small enclosure or shelter for poultry or other small animals; frequency rank 8862
- weasel — a small slender carnivorous mammal of the genus Mustela or a related genus; frequency rank 9536
- cobra — any of several venomous Asian or African elapid snakes that can spread the ribs of the neck to form a hood, especially a snake of the genus Naja; frequency rank 9668
- hare — swift timid long-eared mammal larger than a rabbit having a divided upper lip and long hind legs; frequency rank 10807
- tit — a small, active songbird that often feeds on insects and seeds; frequency rank 10857
- tweet — a short, high-pitched chirping sound, especially one made by a small bird; frequency rank 11218
- skunk — a small black-and-white American mammal that can spray a powerful-smelling defensive fluid; frequency rank 11224
- moth — Any flying insect of the order Lepidoptera not in the superfamily Papilionoidea, most species of which are nocturnal and can be distinguished from butterflies by feather-like antennae.; frequency rank 11670
- unicorn — A mythical horse, widely believed to exist until the 17th century, with a single, straight, spiraled horn projecting from its forehead.; frequency rank 11679
- noose — a trap for birds or small mammals; frequency rank 11689
- vermin — Small harmful animals or insects, such as rats, mice, or fleas, that are hard to control.; frequency rank 12885
- raccoon — a nocturnal North American mammal with a black facial mask, dexterous forepaws, and a ringed tail; frequency rank 13238
- hutch — a cage or enclosed box in which rabbits or other small animals are kept; frequency rank 13308
- eel — Any freshwater fish of the order Anguilliformes, which are elongated and resemble snakes.; frequency rank 13536
- fern — Any of a group of some twenty thousand species of vascular plants classified in the division Pteridophyta that lack seeds and reproduce by shedding spores to initiate an alternation of generations.; frequency rank 14515
- roach — a silvery-green European freshwater fish, or any of several related fishes; frequency rank 14932
- carmine — a vivid purplish-red pigment or dye traditionally made from cochineal insects; frequency rank 15525
- runt — the smallest or weakest animal in a litter; frequency rank 15604
- mackerel — a streamlined sea fish with dark wavy markings, commonly caught for food; frequency rank 16168
- ostrich — fast-running African flightless bird with two-toed feet; frequency rank 16399
- ferret — domesticated albino variety of the European polecat bred for hunting rats and rabbits; frequency rank 17348
- mammal — any warm-blooded vertebrate having the skin more or less covered with hair; frequency rank 17356
- mantis — a predatory insect of the order Mantodea, with a mobile triangular head and powerful grasping forelegs held as if in prayer; frequency rank 17394
- chameleon — A small to mid-size reptile, of the family Chamaeleonidae, and one of the best known lizard families able to change color and project its long tongue.; frequency rank 17427
- coney — archaic or historical: a rabbit, especially the European rabbit, or its fur; frequency rank 18937
- snout — The long, projecting nose, mouth, and jaw of a beast, as of pigs.; frequency rank 18966
- pug — a small, sturdy dog with a short muzzle, broad wrinkled face, smooth coat, and tightly curled tail; frequency rank 19456
- scavenger — An animal that feeds on dead bodies or rotting matter.; frequency rank 19569
- gallop — a fast gait of a horse; frequency rank 20005
- hock — the joint in the hind leg of a horse or other hoofed animal between the knee and the fetlock; frequency rank 20162
- filly — a young female horse, especially one below the age at which it is called a mare; frequency rank 20477
- rhea — a large, fast-running, flightless bird native to South America, with long legs and three-toed feet; frequency rank 21479
- yelp — a sharp, high-pitched cry, especially by a dog; frequency rank 21592
- dragonfly — a predatory insect with a long body, very large eyes, and two pairs of transparent wings held open at rest, especially one of the infraorder Anisoptera; frequency rank 21790
- rump — the hindquarters of an animal, or informally the buttocks of a person; frequency rank 21921
- albatross — a very large oceanic bird with long, narrow wings adapted for gliding great distances; frequency rank 22279
- roost — a perch on which a bird rests or sleeps; frequency rank 22748
- greyhound — a tall slender dog of an ancient breed noted for swiftness and keen sight; frequency rank 22750
- harpoon — a heavy spear with a barbed head, usually attached to a line, thrown or fired to catch whales and other large aquatic animals; frequency rank 23036
- sardine — any of several small, oily, silvery fish related to herrings, especially a pilchard; frequency rank 23429
- wildcat — a small or medium-sized cat that lives in the wild, especially a species resembling the domestic cat; frequency rank 23811
- yoke — stable gear that joins two draft animals at the neck so they can work together as a team; frequency rank 24017
- venomous — Of an animal: producing venom and able to inject it by biting or stinging.; frequency rank 24269
- llama — a domesticated South American camelid kept as a pack animal and for its wool and meat; frequency rank 24484
- cob — a strong, compact horse with short legs, commonly used for riding or pulling a carriage; frequency rank 24576
- gar — any of several large North American freshwater fish with an armored body and long, toothed jaws; frequency rank 24605
- primate — any mammal of the order Primates, including humans, apes, monkeys, lemurs, lorises, and tarsiers; frequency rank 24792
- buzzard — A large bird of prey with broad wings and a broad tail, common in Europe.; frequency rank 25037
- magpie — A noisy black-and-white bird with a long tail, related to the crow.; frequency rank 25713
- mew — a short, high-pitched cry made by a cat or similar animal; frequency rank 26298
- foal — a young horse or other equine, especially one less than a year old; frequency rank 27231
- cur — a dog regarded as aggressive, inferior, or of mixed breed; now usually contemptuous; frequency rank 27560
- heron — grey or white wading bird with long neck and long legs and (usually) long bill; frequency rank 28020
- thoroughbred — a horse of the Thoroughbred breed, developed chiefly for racing from English mares and imported Arabian, Barb, and Turkoman stallions; frequency rank 28605
- reptilian — Relating to reptiles such as snakes, lizards, and crocodiles.; frequency rank 28704
- retriever — a gun dog trained to find and bring back shot game, or a dog belonging to one of the breeds developed for that work; frequency rank 28807
- larva — an immature form of an insect, amphibian, or other animal, usually very different from the adult; frequency rank 29438
- carnivorous — relating to or characteristic of carnivores; frequency rank 30363
- cheep — a short, high-pitched cry made by a young bird or another small animal; frequency rank 32822
- songbird — a bird known for a musical call or song; frequency rank 33600
- carnivore — any animal that feeds on flesh; frequency rank 33676
- shoal — A large group of fish swimming together.; frequency rank 33782
- whinny — a gentle or relatively high-pitched neigh made by a horse; frequency rank 33943
- girth — stable gear consisting of a band around a horse's belly that holds the saddle in place; frequency rank 34278
- lapdog — a small, tame dog that can be held comfortably on a person's lap; frequency rank 34463
- anchovy — a small marine fish, especially one preserved in salt or oil and used for its strong savory flavor; frequency rank 35191
- basset — a basset hound, a short-legged dog with long ears and a strong sense of smell; frequency rank 35358
- woodcock — a stocky woodland wading bird of the genus Scolopax, with mottled plumage and a long slender bill; frequency rank 36422
- bloodsucker — an animal, especially a leech or biting insect, that feeds by sucking blood; frequency rank 36488
- peregrine — the peregrine falcon, a powerful and widely distributed bird of prey noted for its extremely fast dive; frequency rank 36603
- teat — the projecting part of a mammary gland through which milk is drawn by a young mammal; frequency rank 36701
- menagerie — a collection of wild or unusual animals kept for exhibition; frequency rank 36762
- horner — historical: a craftsperson who works animal horn into combs, vessels, handles, or other goods; frequency rank 37029
- mastodon — an extinct elephant-like mammal of the genus Mammut, distinguished from mammoths and elephants by the cone-shaped cusps on its molar teeth; frequency rank 37699
- gaucho — a skilled horseman and cattle worker of the South American pampas, especially in Argentina and Uruguay; frequency rank 37932
- emu — large Australian flightless bird similar to the ostrich but smaller; frequency rank 38826
- furlong — a unit of distance equal to one eighth of a mile, 220 yards, or 201.168 metres, now used chiefly in horse racing; frequency rank 39725
- avian — Relating to or typical of birds.; frequency rank 39961
- meagre — An edible fish, of species Argyrosomus regius, of the family Sciaenidae, found from the Black Sea to the eastern Atlantic.; frequency rank 40161
- bevy — a flock of birds, especially when gathered close together on the ground; frequency rank 40739
- rawhide — animal hide, especially cattle hide, that has been cleaned but not tanned; frequency rank 40956
- echidna — a spiny, toothless, egg-laying mammal of Australia and New Guinea that feeds mainly on ants and termites; frequency rank 41156
- dachshund — a small dog of a German breed with a long body, very short legs, and long drooping ears; frequency rank 41232
- minnow — a very small freshwater fish, especially the common Eurasian minnow Phoxinus phoxinus; frequency rank 41267
- zoology — The branch of biology that studies animals.; frequency rank 41324
- bonito — any of several swift marine fishes of the genus Sarda, related to mackerel and tuna and valued as food and sport fish; frequency rank 41394
- cicada — a stout-bodied insect with large transparent wings, whose males produce a loud buzzing or clicking call; frequency rank 42277
- offal — the edible internal organs and other trimmings of a butchered animal; frequency rank 43047
- whelp — a young dog or wolf, or the young of certain other carnivorous mammals; frequency rank 46220
- entomologist — a scientist who specializes in the study of insects; frequency rank 46239
- zoological — of or relating to animals or animal groups; frequency rank 46615
- dobbin — dated: a quiet, patient horse used for ordinary farm work or transport; frequency rank 46925
- anemone — a sea animal related to coral, with a cylindrical body and a ring of stinging tentacles; frequency rank 47307
- zoologist — A scientist who studies animals.; frequency rank 47342
- asp — a venomous snake of North Africa traditionally identified with the cobra said to have killed Cleopatra; frequency rank 49320
- bedbug — a small, flat, nocturnal insect that hides near sleeping places and feeds on the blood of people or other warm-blooded animals; frequency rank 50339
- ornithologist — a scientist who studies birds; frequency rank 50789
- aviary — a building where birds are kept; frequency rank 51335
- pupa — an insect in the inactive stage between larva and adult; frequency rank 54328
- kingfisher — a nonpasserine large-headed bird with a short tail and long sharp bill; frequency rank 54533
- tsetse — any blood-feeding African fly of the genus Glossina, some species of which transmit trypanosomes that cause sleeping sickness in humans and disease in livestock; frequency rank 54831
- mastiff — an old breed of powerful deep-chested smooth-coated dog used chiefly as a watchdog and guard dog; frequency rank 55393
- suet — the hard white fat around the kidneys and loins of cattle or sheep, used in cooking and in making tallow; frequency rank 55497
- horsehair — hair taken from a horse's mane or tail, used in brushes, bows, upholstery, and other products; frequency rank 55674
- sheldrake — an older name for a shelduck, especially a male bird of the genus Tadorna; frequency rank 56241
- tallow — A hard animal fat obtained from suet, etc.; used in cooking as well as to make candles, soap and lubricants.; frequency rank 56984
- yearling — an animal between one and two years old, or otherwise classed as being in its second year; frequency rank 59426
- entomology — the scientific study of insects, including their classification, anatomy, behavior, ecology, and relationships with humans; frequency rank 59509
- subspecies — A rank in the classification of organisms, below species.; frequency rank 61380
- vivisection — surgical cutting into, or other invasive experimentation on, a living animal or organism for scientific research; frequency rank 63151
- woodbine — British: honeysuckle, especially the fragrant climbing species Lonicera periclymenum; frequency rank 63469
- biped — an animal, person, or machine that walks on two feet or legs; frequency rank 63537
- toucan — a tropical American bird with a very large, often brightly colored bill; frequency rank 65424
- ocelot — a medium-sized, mostly nocturnal wild cat of the Americas with a yellowish coat marked by dark spots and elongated blotches; frequency rank 66717
- ornithology — the branch of zoology concerned with the scientific study of birds; frequency rank 67382
- pachyderm — an elephant, rhinoceros, hippopotamus, or other large thick-skinned mammal formerly grouped in the obsolete order Pachydermata; frequency rank 68779
- chine — the backbone of an animal, especially with the adjoining flesh, or a cut of meat or fish containing it; frequency rank 69652
- dugong — sirenian tusked mammal found from eastern Africa to Australia; frequency rank 69945
- tench — a robust freshwater fish, Tinca tinca, native to Europe and western Asia and widely introduced elsewhere; frequency rank 70322
- curlew — a large migratory wading bird of the genus Numenius, with long legs and a long slender bill curved downward; frequency rank 71473
- farrier — a craftsperson who trims and shoes horses' hooves; frequency rank 72965
- steeplechase — a horse race across country or around a course containing fences, ditches, and other obstacles; frequency rank 73189
- spoor — the tracks, scent, droppings, or other trail left by an animal; frequency rank 73722
- saurian — a lizard or lizardlike reptile, especially a large or prehistoric reptile; frequency rank 75061
- dace — a small, slender European freshwater fish, Leuciscus leuciscus, that commonly swims in shoals; frequency rank 75224
- lamprey — a jawless, eel-shaped aquatic vertebrate with a round sucking mouth, many species of which attach to other fish; frequency rank 75794
- dunghill — a heap of animal dung or refuse, especially one kept for use as manure; frequency rank 76718
- macaque — an Old World monkey of the genus Macaca, native mainly to Asia with one wild species in northwestern Africa; frequency rank 77735
- gannet — a large mostly white seabird of the genus Morus that catches fish by plunging steeply into the sea; frequency rank 77795
- horseflesh — the flesh of a horse, especially when used as food; frequency rank 77831
- capybara — pig-sized tailless South American amphibious rodent with partly webbed feet; frequency rank 80395
- cassowary — a large, powerful flightless bird of the genus Casuarius, native chiefly to New Guinea and northern Australia, with a horny casque on its head; frequency rank 80714
- fantail — Any of several birds, of the genus Rhipidura, from Asia, Australia and New Zealand.; frequency rank 82758
- bustard — a large, mainly ground-dwelling bird of open country in the Old World, with long legs and powerful flight; frequency rank 83389
- brindle — an animal coat pattern of irregular dark streaks or patches on a lighter brown, tawny, or gray background; frequency rank 83897
- catgut — a tough cord made from the cleaned and twisted intestines of animals, usually sheep, formerly used for musical strings, racket strings, and surgical sutures; frequency rank 85069
- waterfowl — a duck, goose, swan, or other bird that lives or feeds chiefly on or near water; such birds collectively; frequency rank 86433
- hybridization — the crossing of genetically different organisms, varieties, or species to produce hybrids; frequency rank 86662
- carapace — a hard protective shell covering all or part of the back of an animal such as a turtle, crab, or barnacle; frequency rank 88486
- stile — A set of one or more steps surmounting a fence or wall, or a narrow gate or contrived passage through a fence or wall, which in either case allows people but not livestock to pass.; frequency rank 89589
- bittern — a secretive, brown-streaked marsh bird of the heron family, noted for the male's deep booming call; frequency rank 89854
- chirrup — a short, repeated high-pitched sound such as the call of a small bird or insect; frequency rank 91145
- ptomaine — any of several amines, such as putrescine or cadaverine, produced when bacteria decompose animal or plant matter; frequency rank 92280
- grebe — a freshwater diving bird with lobed toes, a pointed bill, and legs set far back on the body; frequency rank 93107
- hoopoe — a crested Old World bird of the genus Upupa, with a long downcurved bill and boldly barred black-and-white wings and tail; frequency rank 93981
- eyrie — the nest of an eagle or other bird of prey, usually built in a high place; frequency rank 104551
- fetlock — the joint of a horse's leg between the cannon bone and the pastern, above the hoof; frequency rank 111631
- ichthyologist — a scientist or specialist who studies fish; frequency rank 112648
- hornbill — a tropical African or Asian bird with a very large curved bill, often topped by a hollow casque; frequency rank 113369
- brach — Originally, a synonym of scent hound (“a hunting dog that tracks prey using its sense of smell rather than by its vision”); later, any female hound; a bitch hound.; frequency rank 116971
- howdah — a seat or enclosed platform, often canopied and ornamented, carried on the back of an elephant or camel; frequency rank 118046
- carthorse — a large, strong horse used for pulling carts or other heavy loads; frequency rank 122274
- hackle — a long, narrow feather from a bird's neck or back, especially one used in an artificial fishing fly; frequency rank 126237
- zebu — a domesticated humped form of cattle, Bos taurus indicus, adapted to hot climates and widely kept in South Asia, Africa, and elsewhere; frequency rank 131536
- grazier — a farmer or landholder who raises grazing livestock, especially cattle or sheep; frequency rank 137448
- katydid — a long-horned, usually green insect of the family Tettigoniidae, the males of many species producing loud calls by rubbing their wings; frequency rank 140808
- stickleback — a small freshwater or coastal fish of the family Gasterosteidae, distinguished by separate sharp spines along its back; frequency rank 140864
- imago — the final, sexually mature stage of an insect after metamorphosis; frequency rank 143339
- cayuse — Western US, historical: a small, hardy range horse or pony; frequency rank 146233
- whicker — a soft, breathy neigh or whinny made by a horse; frequency rank 151557
- wader — a long-legged bird that searches for food in shallow water or wet ground; frequency rank 152838
- sumpter — historical: a horse, mule, or other pack animal used to carry loads; frequency rank 158663
- nightjar — a crepuscular or nocturnal insect-eating bird with cryptic mottled plumage, large eyes, and a broad mouth; frequency rank 160306
- peewit — a northern lapwing, a crested wading bird of open fields and wetlands; frequency rank 162534
- forefoot — either of the front feet of a four-legged animal; frequency rank 163055
- burrower — an animal that digs a hole or tunnel, especially one that lives in the shelter it makes; frequency rank 163781
- nosebag — a bag containing feed that is fastened over a horse's or similar working animal's muzzle; frequency rank 164101
- byre — a farm building in which cattle are housed; frequency rank 164207
- fennec — A small fox of the species Vulpes zerda, found in the Sahara (excluding the coast) and having distinctive oversized ears.; frequency rank 166643
- gastropod — a mollusk of the class Gastropoda, including snails, slugs, limpets, and related animals, typically moving on a broad muscular foot; frequency rank 169036
- peccary — a social, piglike hoofed mammal native to the Americas, belonging to the family Tayassuidae; frequency rank 172707
- ruminant — A hoofed animal, such as a cow, sheep, or deer, that chews the cud and has a stomach with several compartments.; frequency rank 175973
- casque — a hard helmet-like structure on the head or bill of certain birds and reptiles; frequency rank 179262
- courser — historical or literary: a swift, strong horse, especially one ridden in battle; frequency rank 179307
- merganser — any of several fish-eating diving ducks with a narrow bill edged by toothlike serrations; frequency rank 183918
- spoonbill — a long-legged wading bird related to the ibises, with a broad, flat bill rounded at the tip; frequency rank 193778
- dewlap — a loose fold of skin hanging beneath the neck of cattle, dogs, goats, and some other animals; frequency rank 195473
- pickerel — A freshwater fish of the genus Esox.; frequency rank 196898
- crupper — a strap or loop passing under a horse's tail to prevent a saddle or harness from sliding forward; frequency rank 210474
- plesiosaurus — a marine reptile of the extinct genus Plesiosaurus, with a small head, long neck, broad body, and four paddle-shaped limbs; frequency rank 210857
- currycomb — a comb with rows of short teeth or ridges, used especially for grooming a horse; frequency rank 213466
- chough — either of two glossy black Eurasian birds of the genus Pyrrhocorax, noted for red or yellow bills and legs; frequency rank 244989
- turnspit — a small type of dog formerly trained to turn a roasting spit by running in a wheel; frequency rank 253818
- cowbird — a New World blackbird of the genus Molothrus that commonly lays its eggs in the nests of other bird species; frequency rank 257157
- ichthyosaurus — an extinct dolphin-shaped marine reptile of the genus Ichthyosaurus, known chiefly from Early Jurassic rocks of Europe; frequency rank 262701
- gorget — a distinctively colored patch of feathers or fur on an animal's throat or upper chest; frequency rank 272013
- clasper — a specialized appendage used to hold a mate during reproduction, especially in male fish, insects, or crustaceans; frequency rank 272069
- pasturage — land used or suitable for grazing livestock; frequency rank 280746
- caleche — a light, low-wheeled horse-drawn carriage, typically fitted with a folding top; frequency rank 284716
- blenny — a small, usually elongated marine fish of the blenny groups, especially a bottom-dwelling combtooth blenny of the family Blenniidae; frequency rank 289540
- godwit — a large migratory wading bird of the genus Limosa, with a very long bill and long legs; frequency rank 292781
- redstart — any of several small Old World insect-eating birds, especially members of the genus Phoenicurus, with conspicuous reddish tails; frequency rank 294744
- pigweed — any of various common weedy plants, especially amaranths or goosefoots, some formerly used as pig fodder or leafy food; frequency rank 311039
- dunnock — A small European and Asian passerine bird, Prunella modularis; the hedge sparrow or hedge warbler.; frequency rank 319845
- spiracle — zoology: an external respiratory opening in an insect or another air-breathing arthropod, connected to the tracheal system; frequency rank 386123
- titman — dialectal or historical: the smallest or weakest animal in a litter; a runt; frequency rank 402600
- muskmelon — a sweet, aromatic melon of the species Cucumis melo, including cantaloupes and related varieties; frequency rank 422427
- coralline — a branching bryozoan or hydroid that resembles coral, especially in older zoological writing; frequency rank 430038
- echinus — a sea urchin, especially one described by the older zoological name Echinus; frequency rank 505540
- prothorax — the front of the three segments of an insect's thorax, bearing the first pair of legs but no wings; frequency rank 525238
- sheepcote — chiefly British or historical: a pen or small shelter for sheep; frequency rank 530176
- surcingle — a broad strap or girth passed around a horse or other pack animal to secure a saddle, blanket, or load; frequency rank 539276
- caruncle — a small fleshy outgrowth forming a normal part of an animal, such as a bird's wattle or a growth near the eye; frequency rank 546585
- operculum — a hard flap or plate that covers an opening in an animal, such as a fish's gills or a snail's shell; frequency rank 601456
- scutella — a small horny plate or scale on a bird's foot or toe; frequency rank 647422
- coachmaker — historical: a craftsperson or business that builds horse-drawn coaches and carriages; frequency rank 684077
- melanism — an unusually high amount of dark melanin pigment in an animal or person, making the skin, fur, feathers, or eyes darker than usual; frequency rank 702312
- goatsucker — a dated name for a nightjar, a crepuscular or nocturnal bird of the family Caprimulgidae; frequency rank 832015
- peltry — animal pelts or furs collectively, especially raw, undressed skins traded as a commodity; frequency rank 1008959
- seafowl — a bird that lives or feeds at sea or along the coast; a seabird; frequency rank 1025960
- goosander — the common merganser, Mergus merganser, a large fish-eating diving duck of northern rivers and lakes; frequency rank 1036547
- anopheline — a mosquito of the genus Anopheles or a closely related genus, including species that transmit malaria; frequency rank 1059045
- stonechat — any of several small Old World insect-eating birds of the genus Saxicola, especially the European stonechat; frequency rank 1215852
- nidification — nest-building by birds or other animals
- elytron — one of the hardened front wings of a beetle or similar insect that covers and protects the flight wings
- nervure — one of the rigid veins that support an insect's wing
- wood sorrel — any herb of the genus Oxalis, especially woodland species with sour sap, compound leaves, and five-petaled white, pink, purple, or yellow flowers
- neuration — the pattern or arrangement of veins, especially in an insect's wing and sometimes in a leaf
- southernwood — an aromatic shrubby species of wormwood (Artemisia abrotanum), grown for its finely divided leaves and lemon-like scent
- dragonet — any small, often brightly colored, scaleless bottom-dwelling marine fish of the family Callionymidae
- clypeus — a shieldlike plate on the front of an insect's head, between the frons and the upper lip
- pygidium — the terminal dorsal plate or last exposed abdominal segment of certain insects
- vibrissa — one of the long, stiff, highly sensitive hairs on the snout or face of many mammals; a whisker
- mesothorax — the middle of the three segments of an insect's thorax, bearing the second pair of legs and, when present, the forewings
- metasternum — entomology: the ventral exoskeletal plate of an insect's metathorax
- gaggle — a group of geese, especially on land or water

### C2+
- buffalo — any of several Old World animals resembling oxen including, e.g., water buffalo; frequency rank 5750
- jackal — an Old World nocturnal canine mammal closely related to the dog; frequency rank 18261
- walrus — A large Arctic marine mammal related to seals and having long tusks, tough, wrinkled skin, and four flippers, Odobenus rosmarus.; frequency rank 19360
- man-eater — an animal that has killed and eaten humans, especially a tiger, lion, crocodile, or shark; frequency rank 37214
- devilfish — any of several large or striking marine animals, especially an octopus or manta ray; frequency rank 105568
- madrina — in South American pack travel, a steady mare or other animal wearing a bell and leading a troop of mules; frequency rank 110144
- toxodon — a large extinct herbivorous South American mammal of the genus Toxodon, a member of the hoofed-mammal order Notoungulata; frequency rank 209600
- declivity — An inward curve of the exoskeleton of an insect, such as between body segments; a segment of an insect's body where the exoskeleton curves inward.; frequency rank 261005
- babirusa — a wild pig of the Indonesian genus Babyrousa, whose adult males have long upper canine teeth that curve upward through the snout; frequency rank 307391
- arachnologist — a scientist who specializes in the study of spiders and other arachnids; frequency rank 390140
- posthouse — historical: an inn or relay station where post horses were exchanged and riders or travelers could lodge; frequency rank 610103
- hindfoot — a rear foot of a four-legged animal, especially when contrasted with a forefoot; frequency rank 1279286
- fang — a long sharp tooth, as of a snake or dog
- bitch — a female dog; (vulgar) a spiteful person or to complain
- carrion — the decaying flesh of dead animals
- chum — a close friend; (verb) to bait water with fish remains to attract fish
- doghouse — a small shelter for a dog; figuratively, a state of disfavor
- genus — a taxonomic rank grouping related species above the species level
- badger — a burrowing nocturnal mammal; to pester or harass persistently
- hog — a domesticated pig; also, to take or use selfishly
- hound — a hunting dog; also, to pursue or harass relentlessly
- pest — a destructive insect or animal, or an annoying person
- sire — a male parent of an animal, or a respectful address to a king
- snare — a trap for catching animals, or anything that entangles
- bayard — a bay horse; also a heedless, self-confident person
- birdie — a small bird; in golf, a hole played one under par
- chick — a young bird, especially a newly hatched chicken
- covey — a small flock of birds, especially partridge or quail
- decoy — something used to lure or mislead, often a fake bird
- dotterel — a small migratory plover of upland and tundra habitats
- fable — a short tale conveying a moral, often with animal characters
- halter — a rope or strap for leading an animal; a noose for hanging
- pup — a young dog or the young of certain other animals
- serpent — a snake, especially a large or symbolically evil one
- anaconda — a large non-venomous constricting snake of tropical South America
- animalism — preoccupation with physical appetites; the doctrine that humans are merely animals
- bulldog — a stocky short-faced dog breed; to attack or hold stubbornly
- canary — a small yellow songbird often kept as a pet
- cub — the young of a bear, lion, or other carnivorous mammal
- grub — a larva of an insect; food (slang); to dig or search
- moggy — a cat, especially a non-pedigree or ordinary house cat
- mongrel — a dog or animal of mixed or indeterminate breed
- nestling — a young bird too young to leave the nest
- pike — a long-bodied predatory freshwater fish, or a long-shafted spear
- relict — a surviving remnant of a former population or species
- angelfish — a brightly colored tropical fish with a flattened, disk-shaped body
- animalcule — a microscopic animal, such as an amoeba or other tiny organism
- animalivore — an animal that feeds on other animals; a carnivore
- arachnid — an eight-legged invertebrate such as a spider, scorpion, or mite
- baboon — a large African or Arabian ground-dwelling monkey with a dog-like muzzle
- balloonfish — a fish, such as the pufferfish, that can inflate its body with water or air
- bangtail — a horse with its tail cut squarely across; informally, a racehorse
- bannerfish — a tropical reef fish with a long trailing dorsal filament
- barghest — a monstrous goblin-dog of northern English folklore, an omen of death
- beetle — an insect with hardened forewings; also to project or overhang
- bladebone — the shoulder blade or scapula, especially of an animal
- bouillabaisse — a rich Provençal stew of mixed fish and shellfish
- burrow — an animal's underground hole; to dig or nestle into something
- cetacean — a marine mammal of the order including whales, dolphins, and porpoises
- chelonian — a reptile of the order comprising turtles and tortoises
- claw — a sharp curved nail on an animal's foot; to scratch or grasp with it
- colt — a young male horse, usually under four years old
- coot — a black aquatic bird with a white facial shield; or a foolish old man
- culmen — the ridge along the upper part of a bird's bill
- doe — a female deer, rabbit, or hare
- estray — a domestic animal found wandering with no apparent owner
- fauna — the animals of a particular region, period, or habitat
- fledgling — a young bird newly able to fly, or an inexperienced beginner
- fowl — a bird, especially a domesticated one kept for eggs or meat
- gammon — cured ham from a pig's hind leg; nonsense or humbug
- hatchling — a young animal newly emerged from an egg
- herbivore — an animal that feeds on plants
- hinny — the offspring of a male horse and a female donkey
- hobbyhorse — a favourite topic one returns to insistently; a toy horse on a stick
- howler — a glaring and ludicrous mistake; also an animal that howls
- husbandry — the cultivation of crops and care of livestock; careful management of resources
- ich — a common protozoan disease of aquarium fish causing white spots
- kitter — a young cat; a kitten (dialectal)
- leam — a leash for a hound, or to lead a dog by such a leash
- livestock — farm animals raised for use or profit
- maw — the jaws or gullet of a voracious animal; a devouring opening
- mog — a cat, especially an ordinary domestic one
- neb — a bird's beak, or the nose or mouth (dialectal)
- paddock — a small enclosed field for keeping or exercising horses
- proboscis — an elongated tubular mouthpart of an insect, or a long flexible snout
- provender — animal fodder, or by extension food and provisions
- ratter — a dog or other animal that hunts and kills rats
- redbreast — a bird with a red breast, especially the European robin
- reptile — a cold-blooded scaly vertebrate such as a snake, lizard, or crocodile
- rook — a black crow-like bird; a chess castle; to cheat or swindle
- scut — the short erect tail of a hare, rabbit, or deer; menial drudgery
- sloth — habitual laziness; also a slow-moving tropical mammal
- squawk — a loud harsh cry, especially of a bird
- supercilium — the eyebrow, or a stripe of feathers above a bird's eye
- talon — a sharp hooked claw, especially of a bird of prey
- tether — a rope or chain that ties an animal so it can graze only within a set range
- tortoise — a slow-moving land reptile with a domed protective shell
- tusk — a long pointed tooth projecting from the mouth of certain animals
- venom — poisonous fluid secreted by some animals; bitter malice
- visitant — a visitor, especially a supernatural one or a migratory bird
- vulture — a large carrion-eating bird of prey, or a person who preys on others' misfortune
- wether — a castrated male sheep
- wheeler — a horse harnessed nearest the wheels, or something with a stated number of wheels
- lepidopteron — an insect of the order Lepidoptera, comprising butterflies, moths, and skippers
- zoophagy — the feeding on animals or animal matter; carnivorous feeding
- niata — an extinct breed of small South American cattle, formerly found in Argentina and Uruguay, distinguished by a very short, broad, upturned muzzle and projecting lower jaw
- tropilla — in Argentina and Uruguay, a group of riding horses kept together, traditionally trained to follow a bell mare
- surmullet — a red mullet or related goatfish, a brightly colored marine fish with sensory barbels beneath its chin
- aperea — a wild South American cavy of the species Cavia aperea, closely related to the domestic guinea pig
- coleoptera — beetles collectively; insects of the order Coleoptera, characterized by hardened forewings that protect the flight wings
- phorusrhacos — an extinct giant flightless predatory bird of the South American genus Phorusrhacos, known from Miocene fossils
- chaise cart — historical: a light horse-drawn cart or carriage suitable for driving, typically used for local travel
- hen harrier — a long-winged Eurasian bird of prey (Circus cyaneus) whose male is pale gray and whose female is brown; historically also a name for the closely related North American northern harrier
- fishhawk — an osprey, a large bird of prey that dives feet-first to catch fish
- co-adaptation — mutual or coordinated adaptation between species, organs, traits, or genes
- cymophane — a translucent yellowish or greenish variety of chrysoberyl displaying chatoyancy, commonly called cat's-eye
- fishbelly — the underside or belly of a fish
- horsecloth — a blanket, rug, or decorative cloth used to cover a horse or forming part of its trappings
- entozoon — historical zoology: an animal parasite living inside another animal, especially an intestinal or tissue-dwelling worm
- honeysucker — historical or regional: a sunbird, especially one of the nectar-feeding birds of Africa or southern Asia
- interoperculum — ichthyology: one of the bones in the opercular series of a bony fish, lying below the preopercle and between neighboring gill-cover bones
- musk deer — a small tusked, antlerless Asian hoofed mammal of the family Moschidae, whose males have traditionally been hunted for a musk-producing gland
- Great Dane — a very large, tall domestic dog of a smooth-coated breed