REYNOSA, Mexico (KABC) -- A new bundle of joy was welcomed to the animal kingdom this week. A rare cross between a zebra and a donkey, or a "zonkey," was born Monday at Reynosa Zoo in Northern Mexico.

Ever heard of a zorse? It's a hybrid of a zebra and a horse, and while interbreeding between the two subspecies of the equid family can naturally occur in the wild, it's usually a result of human ...