> What does it mean to be a separate species if you're interbreeding in a significant way? Yes, great question. Pheasants and chickens can breed and produce fe

> What does it mean to be a separate species if you're interbreeding in a significant way? Yes, great question. Pheasants and chickens can breed and produce fertile offspring, along with many other combinations. Are they different species? Most say they are, but why given matching chromosomes? They look dramatically different and are from different areas, true, but just like Native American Chihuahuas and Greek Harehounds, both which we claim to be dogs. They definitely don't look the same to me, or to most people. As far as Homo Sapiens Neanderthals goes, well... yes, some still say that's actually Homo Neanderthals, but a lot now agree it's not really a different species. Source of quite a few bitter fights in academia though.