The main collective nouns for Hyenas are a cackle, a clan, and a pack. A cackle is a group of Hyenas that is typically made up of female Hyenas and their cubs. A clan is a larger group of Hyenas that includes both males and females. The etymology of the collective nouns for Hyenas is derived from the sound they make when communicating with each other. The sound of a cackle is similar to a loud laugh, while the sound of a clan is more of a low growl. The collective nouns for Hyenas are a reflection of their social behavior and the way they communicate with each other.