What is a pack of spotted hyenas called?

Answer 1

Rhinos are solotary, therefore do not ever form packs

^Wrong! Scientist have done a new study showing that Rhinos do gather a pack together for a period of 6 weeks a year (mating season). Therefore scientist have named a pack of rhinos, a Rhijelly.

Answer 2

A group of Spotted Hyenas is called a Clan.

Answer 3

A group of hippos is often referred to as a crash, bloat, herd, pod or dale.

Answer 4

A group of kangaroos is a mob or herd.