1. Collective nouns
A collective noun for badgers.
A cete / a colony.
Calf
Cow, elephant, elk/moose, whale
Animals that live among humans.
Domesticated.
A collective noun for elks.
A herd / a gang of elk.
A bird, fish, or animal that travels from one type of habitat to another, which is often linked to the cycle of the seasons.
Migratory.
The longest mammal migration: up to 8,500 km each way (Humpback whale).
The longest recorded round-trip: 80,000 km (Artic tern)
A collective noun for bears.
A sloth (a sleuth) of bear.
Pup
Seal, mink, bat
Animals, whether invertebrate or vertebrate, that live in water.
vs
Animals that live predominantly or entirely on land.
Aquatic (in either fresh water or salt water).
Marine (in saltwater).
vs
Terrestrial
A collective noun for eagles.
A convocation / a soar of eagles.
An animal behavior characterized by being active during the night and sleeping during the day.
Nocturnality (the common adj nocturnal).
A collective noun for beavers.
A family / a colony (a beaver colony).
Cub
Badger, bear, most big cats (cheetah, leopard, lion)
Animal (or plant) that spends the winter in a dormant state.
Hibernating.
A collective noun for ants.
An army / a colony / a nest.
Animals that spend a majority of their lives without others of their species, with possible exceptions for mating and raising their young.
vs
Animals which interact highly with other animals, usually of their own species.
Solitary.
vs
Social.
A collective noun for deers.
A herd / a mob of deer.
Foal (colt and filly)
Horse (male foal and female foal)
Animals that passively deliver toxins (called poison) to their victims.
Poisonous.
A collective noun for crows.
A murder / a clan / a parcel.
A form of plant and animal behavior characterized by activity during daytime, with a period of sleeping or other inactivity at night.
Diurnality (the common adj diurnal).
A collective noun for parrots.
A pandemonium.
Cygnet / flapper
Swan
These animals actively inject toxins with a bite or a stinger into their victims.
Venomous.
A collective noun for foxes.
A skulk / an earth / a troop
An animal, or group of animals, protects its territory from incursions by others of its species. The boundaries may be marked by sounds such as bird song, or scents such as mammalian pheromones.
Territorial.