biological group - a group of plants or animals

team - two or more draft animals that work together to pull something

brood - the young of an animal cared for at one time

flock - a group of birds

flock - a group of sheep or goats

fauna - all the animal life in a particular region

herd - a group of cattle or sheep or other domestic mammals all of the same kind that are herded by humans

herd - a group of wild animals of one species that remain together: antelope or elephants or seals or whales or zebra

pack - a group of hunting animals

pod - a group of aquatic mammals

pride - a group of lions

clowder - a group of cats

shoal, school - a large group of fish; "a school of small glittering fish swam by"

colony - a group of animals of the same type living together

colony - (microbiology) a group of organisms grown from a single parent cell

swarm, cloud - a group of many insects; "a swarm of insects obscured the light"; "a cloud of butterflies"

warren - a colony of rabbits

breed, strain, stock - a special variety of domesticated animals within a species; "he experimented on a particular breed of white rats"; "he created a new strain of sheep"

drove - a group of animals (a herd or flock) moving together

litter - the offspring at one birth of a multiparous mammal