EUGENE M. MCCARTHY, PHD GENETICS
I am obliged to report that which is reported, but not to believe it.
—Herodotus, The History, VII, 152
Note: Claims that hybrids can be produced from this highly disparate cross require confirmation.
Horse-cat hybrids are virtually unheard of, but at least one has been seriously reported. The following brief announcement appears on the page 2, column 1, of the August 9, 1913 issue of the Bismarck Daily Tribune, a newspaper published in Bismarck, Dakota: (Access source)
Valley City, N. D., Aug. 8—A freak colt with ears and tail just like a cat is an object of curiosity on a nearby farm and several offers have been made the owners by showmen who wish to exhibit the monstrosity. The colt is of the regular farm type with no particular breeding and its peculiar appearance is entirely unaccountable.
There are various cases in which small males have succeeded in mating with much larger females. For example, it is definitely known (documented on YouTube) that small dogs sometimes copulate with cows while they are lying down and many dog-cow hybrids have been reported.
By the same author: Handbook of Avian Hybrids of the World, Oxford University Press (2006).
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