What do you use donkeys for?
Donkey are used to protect any kind of live stock, such as goats, sheep, horses, etc. From coyotes and wolfs. They are very good at alerting you of danger/stranger.
No, not all donkeys are female. There are both male and female donkeys. Donkeys reproduce by breeding with other donkeys. Mules and hinnies are a cross breed between donkeys and horses. If you breed a female horse and a male donkey, you get a mule. If you breed a female donkey and a male horse, you get a hinny.
Simpson chose to use a donkey for several reasons. As a young man back in England, Simpson had experience working with donkeys, giving children donkey rides at fairs along the English beaches during summertime. He had a gentle way with donkeys and a natural knack with them. Although he enlisted as a stretcher-bearer, there were insufficient stretchers to carry all the wounded. The wounded were too heavy for other men to carry on their own…