Quote Originally Posted by Stefan-A View Post
The term intergrade has certain ecological and evolutionary connotations. Basically, anything produced as a result of human activity, whether that occurs in the wild through introduction, or in captivity through crossing, would be a hybrid.
Ahh, I get it now. I thought a hybrid was different species- and may be sterile; and an intergrade was of sub-species and would have fertile offspring. Didn't take the human factor into account.