types:
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pest
any unwanted and destructive insect or other animal that attacks food or crops or livestock etc.
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critter
a regional term for `creature' (especially for domestic animals)
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creepy-crawly
an animal that creeps or crawls (such as worms or spiders or insects)
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darter
a person or other animal that moves abruptly and rapidly
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peeper
an animal that makes short high-pitched sounds
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homeotherm, homoiotherm, homotherm
an animal that has a body temperature that is relatively constant and independent of the environmental temperature
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ectotherm, poikilotherm
an animal whose body temperature varies with the temperature of its surroundings; any animal except birds and mammals
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range animal
any animal that lives and grazes in the grassy open land of western North America (especially horses, cattle, sheep)
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varment, varmint
any usually predatory wild animal considered undesirable; e.g., coyote
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scavenger
any animal that feeds on refuse and other decaying organic matter
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work animal
an animal trained for and used for heavy labor
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domestic animal, domesticated animal
any of various animals that have been tamed and made fit for a human environment
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feeder
an animal that feeds on a particular source of food
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migrator
an animal (especially birds and fish) that travels between different habitats at particular times of the year
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molter, moulter
an animal (especially birds and arthropods and reptiles) that periodically shed their outer layer (feathers or cuticle or skin or hair)
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pet
a domesticated animal kept for companionship or amusement
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stayer
a person or other animal having powers of endurance or perseverance
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stunt
a creature (especially a whale) that has been prevented from attaining full growth
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marine animal, marine creature, sea animal, sea creature
any of numerous animals inhabiting the sea including e.g. fishes and molluscs and many mammals
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female
an animal that produces gametes (ova) that can be fertilized by male gametes (spermatozoa)
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male
an animal that produces gametes (spermatozoa) that can fertilize female gametes (ova)
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adult
any mature animal
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offspring, young
any immature animal
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pureblood, purebred, thoroughbred
a pedigreed animal of unmixed lineage; used especially of horses
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giant
any creature of exceptional size
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survivor
an animal that survives in spite of adversity
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mutant
an animal that has undergone mutation
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herbivore
any animal that feeds chiefly on grass and other plants
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insectivore
any organism that feeds mainly on insects
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acrodont
an animal having teeth consolidated with the summit of the alveolar ridge without sockets
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pleurodont
an animal having teeth fused with the inner surface of the alveolar ridge without sockets
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zooplankton
animal constituent of plankton; mainly small crustaceans and fish larvae
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conceptus, embryo, fertilized egg
an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life
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chordate
any animal of the phylum Chordata having a notochord or spinal column
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invertebrate
any animal lacking a backbone or notochord; the term is not used as a scientific classification
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metazoan
any animal of the subkingdom Metazoa; all animals except protozoans and sponges
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omnivore
an animal that feeds on both animal and vegetable substances
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predator, predatory animal
any animal that lives by preying on other animals
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prey, quarry
animal hunted or caught for food
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game
animal hunted for food or sport
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hexapod
an animal having six feet
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biped
an animal with two feet
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larva
the immature free-living form of most invertebrates and amphibians and fish which at hatching from the egg is fundamentally unlike its parent and must metamorphose
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racer
an animal that races
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fictional animal
animals that exist only in fiction (usually in children's stories)
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captive
an animal that is confined
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mate
the partner of an animal (especially a sexual partner)
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vermin
any of various small animals or insects that are pests; e.g. cockroaches or rats
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bottom-feeder
a scavenger that feeds low on the food chain
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beast of burden, jument
an animal such as a donkey or ox or elephant used for transporting loads or doing other heavy work
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draft animal
an animal used for pulling heavy loads
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feeder
an animal being fattened or suitable for fattening
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stocker
a domestic animal (especially a young steer or heifer) kept as stock until fattened or matured and suitable for a breeding establishment
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hatchling
any recently hatched animal (especially birds)
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head
a single domestic animal
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by-catch, bycatch
unwanted marine creatures that are caught in the nets while fishing for another species
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hen
female of certain aquatic animals e.g. octopus or lobster
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orphan
a young animal without a mother
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young mammal
any immature mammal
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sire
male parent of an animal especially a domestic animal such as a horse
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dam
female parent of an animal especially domestic livestock
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carnivore
any animal that feeds on flesh
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blastosphere, blastula
early stage of an embryo produced by cleavage of an ovum; a liquid-filled sphere whose wall is composed of a single layer of cells; during this stage (about eight days after fertilization) implantation in the wall of the uterus occurs
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gastrula
double-walled stage of the embryo resulting from invagination of the blastula; the outer layer of cells is the ectoderm and the inner layer differentiates into the mesoderm and endoderm
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morula
a solid mass of blastomeres that forms when the zygote splits; develops into the blastula
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cephalochordate
fish-like animals having a notochord rather than a true spinal column
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tunicate, urochord, urochordate
primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva
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ascidian tadpole
free-swimming larva of ascidians; they have a tail like a tadpole that contains the notochord
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craniate, vertebrate
animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium
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young bird
a bird that is still young
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arthropod
invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin
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female mammal
animals that nourish their young with milk
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zoophyte
any of various invertebrate animals resembling a plant such as a sea anemone or coral or sponge
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parazoan, poriferan, sponge
primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies
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cnidarian, coelenterate
radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms
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comb jelly, ctenophore
biradially symmetrical hermaphroditic solitary marine animals resembling jellyfishes having for locomotion eight rows of cilia arranged like teeth in a comb
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worm
any of numerous relatively small elongated soft-bodied animals especially of the phyla Annelida and Chaetognatha and Nematoda and Nemertea and Platyhelminthes; also many insect larvae
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borer, woodborer
any of various insects or larvae or mollusks that bore into wood
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bladder worm
encysted saclike larva of the tapeworm
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cercaria
tadpole-shaped parasitic larva of a trematode worm; tail disappears in adult stage
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rotifer
minute aquatic multicellular organisms having a ciliated wheel-like organ for feeding and locomotion; constituents of freshwater plankton
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mollusc, mollusk, shellfish
invertebrate having a soft unsegmented body usually enclosed in a shell
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spat
a young oyster or other bivalve
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Canis familiaris, dog, domestic dog
a member of the genus Canis (probably descended from the common wolf) that has been domesticated by man since prehistoric times; occurs in many breeds
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greyhound
a tall slender dog of an ancient breed noted for swiftness and keen sight; used as a racing dog
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Felis catus, Felis domesticus, domestic cat, house cat
any domesticated member of the genus Felis
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stray
an animal that has strayed (especially a domestic animal)
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big game
large animals that are hunted for sport
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game bird
any bird (as grouse or pheasant) that is hunted for sport
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wireworm
wormlike larva of various elaterid beetles; feeds on roots of many crop plants
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mealworm
the larva of beetles of the family Tenebrionidae
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wiggler, wriggler
larva of a mosquito
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jointworm, strawworm
larva of chalcid flies injurious to the straw of wheat and other grains
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ant lion, antlion, doodlebug
the larva of any of several insects
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aphid lion, aphis lion
carnivorous larva of lacewing flies
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dobson, hellgrammiate
large brown aquatic larva of the dobsonfly; used as fishing bait
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caseworm
insect larva that constructs a protective case around its body
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caterpillar
a wormlike and often brightly colored and hairy or spiny larva of a butterfly or moth
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nymph
a larva of an insect with incomplete metamorphosis (as the dragonfly or mayfly)
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leptocephalus
slender transparent larva of eels and certain fishes
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bot
botfly larva; typically develops inside the body of a horse or sheep or human
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grub
a soft thick wormlike larva of certain beetles and other insects
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phoronid
hermaphrodite wormlike animal living in mud of the sea bottom
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bryozoan, moss animal, polyzoan, sea mat, sea moss
sessile aquatic animal forming mossy colonies of small polyps each having a curved or circular ridge bearing tentacles; attach to stones or seaweed and reproduce by budding
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ectoproct
sessile mossy aquatic animal having the anus of the polyp outside the crown of tentacles
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entoproct
any of various moss-like aquatic animals usually forming branching colonies; each polyp having a both mouth and anus within a closed ring of tentacles
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Symbion pandora
only known species of Cycliophora; lives symbiotically attached to a lobster's lip by an adhesive disk and feeding by means of a hairy mouth ring; its complex life cycle includes asexual and sexual phases
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brachiopod, lamp shell, lampshell
marine animal with bivalve shell having a pair of arms bearing tentacles for capturing food; found worldwide
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peanut worm, sipunculid
small unsegmented marine worm that when disturbed retracts its anterior portion into the body giving the appearance of a peanut
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echinoderm
marine invertebrates with tube feet and five-part radially symmetrical bodies
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filly
a young female horse under the age of four
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colt
a young male horse under the age of four
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male horse
the male of species Equus caballus
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steeplechaser
a horse trained to run in steeplechases
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finisher
an animal that wins in a contest of speed
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bullock, steer
castrated bull
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polliwog, pollywog, tadpole
a larval frog or toad
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young fish
a fish that is young