Donkey

Donkeys are equine creatures, and have since ancient times been used as beasts of burden by humans.

Background
Only one of these creatures is known to have appeared in the Fallout universe. Pugsley, Irwin's donkey was possibly the last of his kind, but he was killed by raiders.

Appearances
Donkeys are mentioned in Fallout, and only then in the form of the dead donkey Pugsley.