I think the answer to it is a sloth.
An animal that walks on four legs is called a quadruped.
a human baby has 2 legs, a bird baby has 2 legs, animal babies have 4 legs
4 legs good, 2 legs bad.
A bird.
pelican
if you men pterodactil, they had two main legs plus 2 hands with two fingers to help with climbing
a computer mouse has 2 legs and 2 teeth, while an animal mouse has 8 legs. animal mice are not called mice actually, they are called octorats
A bird
Human
A biped .
Gorillas have 4 fingers and a thumb on each hand. Just like humans.
an ostrich :)