What idioms are there to describe animal gods and animal manners?

Wolf down: describe that you eat fiercely and in a hurry.

Rodents: the head is small and sharp like a roe deer, and the eyes are small and round like mice. Describe people as ugly and cunning.

Staring like a tiger.

Duck and goose walk: Duck and goose walk in eight steps, because it is used to describe people walking slowly and staggeringly.