Animals
Mammals, birds, fish, insects, and the words biologists use to describe them.
858 words
Download Markdown
All levels
Page 5 of 6
Some words in this topic are A2–C2 — part of Pro. A1 words are always free.
Go ProC2 (530) Pro
peccary
C2
/ˈpekəri/
a social, piglike hoofed mammal native to the Americas, belonging to the family Tayassuidae
M
S
pichi
C2
/ˈpiːtʃi/
a small hairy armadillo, Zaedyus pichiy, native to the dry grasslands and scrub of Argentina and Chile
M
S
ruminant
C2
/ˈɹuːmɪnənt/
A hoofed animal, such as a cow, sheep, or deer, that chews the cud and has a stomach with several compartments.
M
S
quagga
C2
/ˈkwɑɡə/
an extinct southern African subspecies of plains zebra, striped mainly on the head and front of the body
M
S
apar
C2
/əˈpɑːr/
a South American three-banded armadillo of the genus Tolypeutes, able to roll its armored body into a nearly complete ball
M
S
casque
C2
/kæsk/
a hard helmet-like structure on the head or bill of certain birds and reptiles
M
S
courser
C2
/ˈkɔrsɝ/
historical or literary: a swift, strong horse, especially one ridden in battle
M
S
raffish
C2
/ˈɹæfɪʃ/
marked by a carefree unconventionality or disreputableness
M
S
ovipositor
C2
/oʊvɪˈpɑzɪtɚ/
a tubular or blade-like organ used by a female insect or certain other animals to place or lay eggs
M
S
merganser
C2
/mɚˈɡænsɚ/
any of several fish-eating diving ducks with a narrow bill edged by toothlike serrations
M
S
bivalve
C2
/ˈbaɪvælv/
a mollusc of the class Bivalvia whose body is enclosed by two hinged shell valves, such as a clam, mussel, oyster, or scallop
M
S
pipit
C2
/ˈpɪpɪt/
a small, slender, usually brown and streaked ground-feeding songbird, chiefly of the genus Anthus, found in open country
M
S
carnivora
C2
Carnivorans.
M
S
spoonbill
C2
/ˈspuːnˌbɪl/
a long-legged wading bird related to the ibises, with a broad, flat bill rounded at the tip
M
S
greenfinch
C2
/ˈɡriːnfɪntʃ/
a small Old World finch of the genus Chloris, typically with greenish plumage and bright yellow areas on the wings and tail
M
S
dewlap
C2
/ˈduːˌlæp/
a loose fold of skin hanging beneath the neck of cattle, dogs, goats, and some other animals
M
S
pickerel
C2
/ˈpɪkɝəl/
A freshwater fish of the genus Esox.
M
S
kulan
C2
/ˈkuːˌlɑːn/
an Asiatic wild ass (Equus hemionus) of the Central Asian steppes and deserts, especially the Turkmen kulan subspecies (E. h. kulan)
M
S
megalosaurus
C2
/ˌmɛɡəloʊˈsɔːrəs/
a large meat-eating theropod dinosaur of the genus Megalosaurus, known from Middle Jurassic fossils in England
M
S
gaur
C2
/ˈɡaʊər/
a very large wild bovine, Bos gaurus, native to forests of South and Southeast Asia
M
S
cere
C2
/sɪr/
the fleshy or waxy skin at the base of the upper beak in certain birds, containing the nostrils
M
S
plesiosaurus
C2
/ˌpliː.si.oʊˈsɔːr.əs/
a marine reptile of the extinct genus Plesiosaurus, with a small head, long neck, broad body, and four paddle-shaped limbs
M
S
currycomb
C2
/ˈkɝiˌkoʊm/
a comb with rows of short teeth or ridges, used especially for grooming a horse
M
S
peafowl
C2
/ˈpiːfaʊl/
any of several large pheasant-family birds whose males are peacocks and females are peahens, especially species of Pavo and Afropavo
M
S
annelid
C2
/ˈænəlɪd/
a segmented worm of the phylum Annelida, such as an earthworm, leech, or ragworm
M
S
guanaco
C2
/ɡwəˈnɑːkəʊ/
wild llama
M
S
wapiti
C2
/ˈwɑːpəti/
the North American elk (Cervus canadensis), a large deer whose males bear branching antlers
M
S
amphipod
C2
/ˈæmfɪˌpɑːd/
any small crustacean of the order Amphipoda, typically with a laterally compressed body and differently directed pairs of legs
M
S
shorthorn
C2
/ˈʃɔːɹtˌhɔːɹn/
a member of a British breed of cattle developed in northeastern England and raised in dairy and beef varieties
M
S
mudcat
C2
/ˈmʌdˌkæt/
US: any of several catfish associated with muddy water, especially a bullhead or flathead catfish
M
S
chough
C2
/tʃʌf/
either of two glossy black Eurasian birds of the genus Pyrrhocorax, noted for red or yellow bills and legs
M
S
nudibranch
C2
/ˈnuːdɪˌbræŋk/
a shell-less marine gastropod in the group Nudibranchia, often brightly colored and bearing exposed gills or other respiratory structures
M
S
crossbill
C2
/ˈkrɑːsˌbɪl/
any finch of the genus Loxia whose upper and lower bill tips cross, an adaptation for extracting seeds from conifer cones
M
S
untrammeled
C2
/ənˈtræməld/
not confined or limited
M
S
tragopan
C2
/ˈtræɡəpæn/
any of several Asian forest pheasants of the genus Tragopan, whose brightly colored males have two fleshy head horns and an inflatable throat lappet
M
S
insectivorous
C2
/ˌɪnsɛkˈtɪv(ə)ɹəs/
feeding mainly or entirely on insects
M
S
turnspit
C2
/ˈtɝnˌspɪt/
a small type of dog formerly trained to turn a roasting spit by running in a wheel
M
S
cavy
C2
/ˈkeɪvi/
any short-tailed South American rodent of the family Caviidae, including the wild ancestors and relatives of guinea pigs
M
S
cowbird
C2
/ˈkaʊˌbɝd/
a New World blackbird of the genus Molothrus that commonly lays its eggs in the nests of other bird species
M
S
fieldfare
C2
/ˈfiːldfer/
a large Eurasian thrush, Turdus pilaris, with a gray head and rump, often seen in flocks during winter
M
S
ichthyosaurus
C2
/ˌɪkθiəˈsɔːrəs/
an extinct dolphin-shaped marine reptile of the genus Ichthyosaurus, known chiefly from Early Jurassic rocks of Europe
M
S
ursine
C2
/ˈɝsaɪn/
relating to, characteristic of, or resembling a bear
M
S
scoter
C2
/ˈskoʊtɚ/
a large northern sea duck of the genus Melanitta, whose adult males are predominantly black and which feeds by diving
M
S
effectually
C2
/ɪˈfɛkt͡ʃuːəli/
in an effectual or successful manner
M
S
clasper
C2
/ˈklæspɚ/
a specialized appendage used to hold a mate during reproduction, especially in male fish, insects, or crustaceans
M
S
macaco
C2
/məˈkɑːkoʊ/
a historical common name for the black lemur, Eulemur macaco, and formerly for several related lemurs
M
S
wildfowl
C2
/ˈwaɪldˌfaʊl/
wild birds hunted as game or food, especially ducks, geese, and other waterfowl
M
S
pintail
C2
/ˈpɪnteɪl/
a slender, long-necked dabbling duck whose central tail feathers form a narrow point, especially the northern pintail
M
S
blenny
C2
/ˈblɛni/
a small, usually elongated marine fish of the blenny groups, especially a bottom-dwelling combtooth blenny of the family Blenniidae
M
S
godwit
C2
/ˈɡɑːdwɪt/
a large migratory wading bird of the genus Limosa, with a very long bill and long legs
M
S
redstart
C2
/ˈrɛdstɑːrt/
any of several small Old World insect-eating birds, especially members of the genus Phoenicurus, with conspicuous reddish tails
M
S
twite
C2
/twaɪt/
a small brown finch, Linaria flavirostris, breeding in northern Eurasia and identified by its yellow bill and forked tail
M
S
hamadryas
C2
/ˌhæməˈdraɪəs/
a large baboon native to northeastern Africa and the Arabian Peninsula, whose adult males have a silvery mantle
M
S
aphis
C2
/ˈeɪfɪs/
technical and now uncommon: an aphid, especially an aphid of the genus Aphis
M
S
crinoid
C2
/ˈkraɪnɔɪd/
a marine echinoderm of the class Crinoidea, including sea lilies and feather stars, with feathery arms around a central body
M
S
dunnock
C2
/ˈdʌnək/
A small European and Asian passerine bird, Prunella modularis; the hedge sparrow or hedge warbler.
M
S
fritillary
C2
/ˈfrɪtəlɛri/
any of several orange, brown, or tawny butterflies, especially nymphalids with dark markings and often silvery spots beneath the wings
M
S
muntjac
C2
/ˈmʌntdʒæk/
a small Asian deer of the genus Muntiacus, whose barking call gives it the alternative name barking deer
M
S
trogon
C2
/ˈtroʊɡɑːn/
a tropical forest bird of the family Trogonidae, typically with brilliant plumage, a long tail, and a short broad bill
M
S
plantigrade
C2
/ˈplæntəˌɡreɪd/
walking with the entire sole of the foot touching the ground, as humans and bears do
M
S
hawfinch
C2
/ˈhɔːfɪntʃ/
a large Eurasian finch with a very powerful bill used to crack hard seeds and fruit stones
M
S
blackcap
C2
/ˈblækˌkæp/
a small Eurasian warbler, Sylvia atricapilla, whose adult male has a black crown
M
S
plastron
C2
/ˈplæstrən/
the lower, usually flatter part of a turtle's or tortoise's shell
M
S
protozoon
C2
/ˌproʊtəˈzoʊɑn/
dated: a single protozoan organism; one of the mostly microscopic unicellular organisms formerly grouped as Protozoa
M
S
spiracle
C2
/ˈspɪrəkəl/
zoology: an external respiratory opening in an insect or another air-breathing arthropod, connected to the tracheal system
M
S
coxa
C2
/ˈkɑːksə/
the basal segment of an arthropod limb, by which the leg is attached to the body
M
S
incrustation
C2
/ɪnkɹʌsˈteɪʃən/
An accumulated characteristic of a person that disguises their true nature.
M
S
lancelet
C2
/ˈlænslət/
a small translucent, fishlike marine chordate that retains a notochord and usually lives partly buried in sand
M
S
thornback
C2
/ˈθɔːrnˌbæk/
the thornback ray or skate, Raja clavata, a ray with rough skin and rows of thornlike spines along its back and tail
M
S
batrachian
C2
/bəˈtreɪkiən/
a frog, toad, or other amphibian, especially one formerly classified in the group Batrachia
M
S
banteng
C2
/ˈbæntɛŋ/
a wild Southeast Asian ox, Bos javanicus, with marked differences in color and horn size between adult males and females
M
S
ouzel
C2
/ˈuːzəl/
an old name for the Eurasian blackbird or a related dark thrush, retained especially in ring ouzel
M
S
beroe
C2
/ˈberəwiː/
a transparent, often iridescent marine comb jelly of the genus Beroe, with a rounded or thimble-shaped body
M
S
coralline
C2
/ˈkɔːr.ə.laɪn/
a branching bryozoan or hydroid that resembles coral, especially in older zoological writing
M
S
radula
C2
/ˈɹædʒələ/
a ribbonlike feeding organ bearing rows of tiny teeth, used by most mollusks to scrape or cut food
M
S
branchia
C2
/ˈbræŋkiə/
zoology: a gill or another respiratory organ with the same function in an aquatic animal
M
S
unwearied
C2
/ʌnˈwɪəɹid/
Not wearied, not tired.
M
S
cockchafer
C2
/ˈkɑkˌtʃeɪfɚ/
a large European scarab beetle whose larvae and adults can damage crops and other vegetation
M
S
blackcock
C2
/ˈblækˌkɑk/
chiefly British: a male black grouse, distinguished by glossy dark plumage and a lyre-shaped tail
M
S
ascidian
C2
/əˈsɪdiən/
a solitary or colonial marine tunicate of the class Ascidiacea, typically having a saclike adult body with an incurrent and an excurrent siphon
M
S
echinus
C2
/ɪˈkaɪnəs/
a sea urchin, especially one described by the older zoological name Echinus
M
S
coypu
C2
/ˈkɔɪ.pu/
aquatic South American rodent resembling a small beaver
M
S
prothorax
C2
/proʊˈθɔræks/
the front of the three segments of an insect's thorax, bearing the first pair of legs but no wings
M
S
guenon
C2
/ɡəˈnoʊn/
a slender, long-tailed African monkey of the genus Cercopithecus, often with distinctive facial coloring
M
S
curculio
C2
/kɝˈkjuːlioʊ/
a weevil of the genus Curculio, especially one whose larvae develop inside acorns or nuts
M
S
viviparous
C2
/vɪˈvɪpərəs/
producing live young that developed inside the parent's body rather than laying eggs
M
S
hymenopterous
C2
/ˌhaɪməˈnɑːptərəs/
belonging or relating to the insect order Hymenoptera, which includes bees, wasps, ants, and sawflies
M
S
operculum
C2
/oʊˈpɝ.kjə.ləm/
a hard flap or plate that covers an opening in an animal, such as a fish's gills or a snail's shell
M
S
pewee
C2
/ˈpiːwiː/
a small North American flycatcher of the genus Contopus, named for its call
M
S
scutella
C2
/skuːˈtɛlə/
a small horny plate or scale on a bird's foot or toe
M
S
furcula
C2
/ˈfɝkjələ/
the forked bone formed by the fused collarbones of most birds; the wishbone
M
S
veery
C2
/ˈvɪəɹi/
a tawny North American woodland thrush noted for its descending, flute-like song
M
S
melanism
C2
/ˈmɛlənɪzəm/
an unusually high amount of dark melanin pigment in an animal or person, making the skin, fur, feathers, or eyes darker than usual
M
S
goatsucker
C2
/ˈɡoʊtˌsʌkɚ/
a dated name for a nightjar, a crepuscular or nocturnal bird of the family Caprimulgidae
M
S
frugivorous
C2
/fruˈdʒɪvərəs/
feeding chiefly or entirely on fruit
M
S
sphex
C2
/sfɛks/
a sand or digger wasp of the genus Sphex or a closely related genus
M
S
More topics
Grammar & Function Words
395 words
Small words that connect, point, compare, negate, and structure sentences.
Numbers & Quantity
534 words
Counting, amounts, proportions, and the language of how much.
Space, Position & Direction
1546 words
Where things are, how they are arranged, and which way they face.
Time
752 words
Hours, dates, seasons, frequency, and the words for when things happen.
People & Society
1633 words
People, roles, communities, identity, and social life.
Family & Relationships
244 words
Parents, siblings, partners, friends, and the wider web of kin.