nonhorse
Nonhorse is a term that refers to any animal that is not a horse. This encompasses a vast array of creatures across the animal kingdom, including mammals, birds, reptiles, amphibians, fish, and invertebrates. The defining characteristic of a nonhorse is simply the absence of equine physiology and ancestry.
Examples of nonhorses are incredibly diverse. Mammals like dogs, cats, elephants, and whales are all nonhorses.