types:
pest
any unwanted and destructive insect or other animal that attacks food or crops or livestock etc.
critter
a regional term for `creature' (especially for domestic animals)
creepy-crawly
an animal that creeps or crawls (such as worms or spiders or insects)
darter
a person or other animal that moves abruptly and rapidly
peeper
an animal that makes short high-pitched sounds
ectotherm,
poikilotherm
an animal whose body temperature varies with the temperature of its surroundings; any animal except birds and mammals
range animal
any animal that lives and grazes in the grassy open land of western North America (especially horses, cattle, sheep)
varment,
varmint
any usually predatory wild animal considered undesirable; e.g., coyote
scavenger
any animal that feeds on refuse and other decaying organic matter
work animal
an animal trained for and used for heavy labor
feeder
an animal that feeds on a particular source of food
migrator
an animal (especially birds and fish) that travels between different habitats at particular times of the year
molter,
moulter
an animal (especially birds and arthropods and reptiles) that periodically shed their outer layer (feathers or cuticle or skin or hair)
pet
a domesticated animal kept for companionship or amusement
stayer
a person or other animal having powers of endurance or perseverance
stunt
a creature (especially a whale) that has been prevented from attaining full growth
female
an animal that produces gametes (ova) that can be fertilized by male gametes (spermatozoa)
male
an animal that produces gametes (spermatozoa) that can fertilize female gametes (ova)
giant
any creature of exceptional size
survivor
an animal that survives in spite of adversity
mutant
an animal that has undergone mutation
herbivore
any animal that feeds chiefly on grass and other plants
acrodont
an animal having teeth consolidated with the summit of the alveolar ridge without sockets
pleurodont
an animal having teeth fused with the inner surface of the alveolar ridge without sockets
zooplankton
animal constituent of plankton; mainly small crustaceans and fish larvae
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
chordate
any animal of the phylum Chordata having a notochord or spinal column
invertebrate
any animal lacking a backbone or notochord; the term is not used as a scientific classification
metazoan
any animal of the subkingdom Metazoa; all animals except protozoans and sponges
omnivore
an animal that feeds on both animal and vegetable substances
game
animal hunted for food or sport
biped
an animal with two feet
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
racer
an animal that races
fictional animal
animals that exist only in fiction (usually in children's stories)
mate
the partner of an animal (especially a sexual partner)
vermin
any of various small animals or insects that are pests; e.g. cockroaches or rats
beast of burden,
jument
an animal such as a donkey or ox or elephant used for transporting loads or doing other heavy work
feeder
an animal being fattened or suitable for fattening
stocker
a domestic animal (especially a young steer or heifer) kept as stock until fattened or matured and suitable for a breeding establishment
hatchling
a young bird or animal that has just emerged from an egg
head
a single domestic animal
by-catch,
bycatch
unwanted marine creatures that are caught in the nets while fishing for another species
hen
female of certain aquatic animals e.g. octopus or lobster
orphan
a young animal without a mother
sire
male parent of an animal especially a domestic animal such as a horse
dam
female parent of an animal especially domestic livestock
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
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
morula
a solid mass of blastomeres that forms when the zygote splits; develops into the blastula
cephalochordate
fish-like animals having a notochord rather than a true spinal column
tunicate,
urochord,
urochordate
primitive marine animal having a saclike unsegmented body and a urochord that is conspicuous in the larva
ascidian tadpole
free-swimming larva of ascidians; they have a tail like a tadpole that contains the notochord
craniate,
vertebrate
animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium
arthropod
invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin
zoophyte
any of various invertebrate animals resembling a plant such as a sea anemone or coral or sponge
parazoan,
poriferan,
sponge
primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies
cnidarian,
coelenterate
radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms
comb jelly,
ctenophore
biradially symmetrical hermaphroditic solitary marine animals resembling jellyfishes having for locomotion eight rows of cilia arranged like teeth in a comb
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
borer,
woodborer
any of various insects or larvae or mollusks that bore into wood
cercaria
tadpole-shaped parasitic larva of a trematode worm; tail disappears in adult stage
rotifer
minute aquatic multicellular organisms having a ciliated wheel-like organ for feeding and locomotion; constituents of freshwater plankton
spat
a young oyster or other bivalve
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
greyhound
a tall slender dog of an ancient breed noted for swiftness and keen sight; used as a racing dog
stray
an animal that has strayed (especially a domestic animal)
big game
large animals that are hunted for sport
game bird
any bird (as grouse or pheasant) that is hunted for sport
wireworm
wormlike larva of various elaterid beetles; feeds on roots of many crop plants
mealworm
the larva of beetles of the family Tenebrionidae
jointworm,
strawworm
larva of chalcid flies injurious to the straw of wheat and other grains
caseworm
insect larva that constructs a protective case around its body
caterpillar
a wormlike and often brightly colored and hairy or spiny larva of a butterfly or moth
nymph
a larva of an insect with incomplete metamorphosis (as the dragonfly or mayfly)
leptocephalus
slender transparent larva of eels and certain fishes
bot
botfly larva; typically develops inside the body of a horse or sheep or human
grub
a soft thick wormlike larva of certain beetles and other insects
phoronid
hermaphrodite wormlike animal living in mud of the sea bottom
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
ectoproct
sessile mossy aquatic animal having the anus of the polyp outside the crown of tentacles
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
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
peanut worm,
sipunculid
small unsegmented marine worm that when disturbed retracts its anterior portion into the body giving the appearance of a peanut
echinoderm
marine invertebrates with tube feet and five-part radially symmetrical bodies
filly
a young female horse under the age of four
colt
a young male horse under the age of four
finisher
an animal that wins in a contest of speed