Burro

Donkey

The burro is a small donkey. In Mexico, the donkey population, estimated at three million, is among the largest in the world. It may also be called burro mexicano, burro criollo or burro criollo mexicano. There are burros also in Guatemala, Nicaragua and the southwestern United States, and burros criollos in El Salvador. Burro is a Spanish word for donkey.

http://en.wikipedia.org/wiki/Burro