a weasel
a group of foxes is called a skulk but no animals live in a skulk
A group of foxes can be called a skulk, troop, or an earth.
The word animal means either a member of the animal kingdom, and therefore includes humans, or it means an animal as opposed to a human, in which case it doesn't. So you have to decide which meaning...
well over time the land animals change a little and they need to be underwater to live unlike their land animal ancestors
carnivore
Non Conformity in Animal Groups
Animal Volunteers - Personal Stories
The Wisdom of Animal Crowds
Endangered Animal Species for Trafficking