Conversely, if a mates with a female donkey (jenny) , the offspring is called a hinny . Hinnies are much rarer than mules because the genetic and physical compatibility is more challenging.
Despite millions of years of separation, the genetic makeup of horses and donkeys remains similar enough that they can successfully mate and produce offspring. However, they are distinct species with different numbers of chromosomes. A domestic horse has 64 chromosomes, while a domestic donkey has 62. This chromosomal difference is the key to understanding the peculiar nature of their hybrid young. Horse Mating Donkey
: The most common cross, resulting from a and a female horse (mare) . Draft Mule Conversely, if a mates with a female donkey