With regard to horses and donkeys a "mule" is the offspring of a male donkey and female horse [1], while a "hinny" is the offspring of a female donkey and a mal

With regard to horses and donkeys a "mule" is the offspring of a male donkey and female horse [1], while a "hinny" is the offspring of a female donkey and a male horse [2]. [1] https://en.wikipedia.org/wiki/Mule https://en.wikipedia.org/wiki/Mule [2] https://en.wikipedia.org/wiki/Hinny https://en.wikipedia.org/wiki/Hinny