Which ofthe below does not belong horse deer donkey?

The answer is deer. Here's why:

* Horses, donkeys, and zebras are all members of the equine family (Equidae). They share many common characteristics, including:

* Single-toed hooves

* Herbivorous diet

* Similar body structure

* Deer belong to the cervid family (Cervidae) and are distinct from equines. They have:

* Cloven hooves

* Antlers (in males)

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