Learn about mule and donkey definitions and what the differences are between mules and donkeys.
DONKEY — Nickname for members of the ass family (Equus asinus)
JACK, JACKASS, Jack Ass — The male of the ass family
JENNET or JENNY — Female of the ass family
BURRO — Small members of the ass family from Mexican and Spanish stock, native to the Southwest, but not widespread
MAMMOTH JACK/JENNET — Large members (measuring 14 hands or more) of the ass family used for draft mule production
MULE — A cross between a male ass (jack) and a female horse (mare)
HINNY — A cross between a male horse (stallion) and a female donkey
