Mammals

A group of hippopotamuses is called a bloat, the animal’s standard collective noun.

A group of elephants is rarely called a crash, a term far better known for rhinoceroses and hippopotamuses.

A group of walruses is often called a pod, a term borrowed from marine mammals like whales and dolphins.

A group of hippopotamuses is sometimes called a crash, a term more commonly associated with rhinoceroses.

A group of kangaroos is occasionally called a troop, a general-purpose alternate to mob.

A group of kangaroos is sometimes called a herd, though mob is by far the more common term.

A group of hamsters is occasionally called a band, a general-purpose term borrowed from more social mammals.

A group of hamsters is playfully called a mischief, a term more famously used for rats.

A group of hamsters is sometimes simply called, well, a group — since a more colorful term never quite stuck.

A group of hamsters is sometimes called a colony, though hamsters rarely tolerate one in the wild.