Equus (genus) a female horse. With rare exceptions, these hybrids are sterile and cannot reproduce. A related hybrid, a hinny, is a cross between a male horse and a female donkey. Other hybrids include the zorse, a cross between a zebra and a horse and a zonkey or zedonk, a hybrid of a zebra and a donkey. In areas where Grévy's zebras are sympatric with plains zebras, fertile hybrids do occur. Equines have significant differences in size, though all are characterized by long heads and necks. Their slender legs support their weight on one digit (which evolved from the middle digits). Grévy's
When a white horse is not a horse term" and "shi" "solid; true, actual; fact, reality", and abstract "zhi" "finger; pointing; designation; universal" like "whiteness" and concrete "wu" "thing; object; particular" like a "white horse". The Chinese of "a white horse is not a horse" is "bai ma fei ma" 白馬非馬, whose meaning hinges upon the negative "fei" "not, is not; no, negative; oppose; wrong". The Classical construction "A "fei" B" "A非B" can ambiguously mean either "A is not a member of the class B" or "A is not identical to B". Interpreting this equivocation fallacy, A.C. Graham says this "white horse" vs. "horse" paradox plays upon the