
Donkey photo by Adrian Pingstone
Have you ever seen a Jack, Jenny, John or Molly? Would you recognize them, if you saw them?
Equine enthusiasts and breeders can identify these four quite specifically. Here’s the key.
A Jack is an intact (uncastrated) male ass or donkey. A Jenny is a female ass or donkey; she might also be called a jennet. Both Jack and Jenny belong to the equine species known as equus asinus.

Mule photo by Dario U
A John is a male mule. And a Molly is a female mule. Both John and Molly are donkey/horse crosses and would be considered infertile.
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Equestrian Terms 101 - What are Jack, Jenny, John and Molly?













Comments
I had never heard these terms before. It'd be interesting to find out the origin.
So that's where "jackass" comes from!
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