I wonder where this information originates? I know it is repeated often, I'm wondering if anyone knows more.
Which two species? There are currently 16 identified, they keep adding new ones.
I ask because generally speaking you don't get fertile offspring in hybrids. Subspecies you do, but with a subspecies you have a single gene pool.
Which two species? There are currently 16 identified, they keep adding new ones.
I ask because generally speaking you don't get fertile offspring in hybrids. Subspecies you do, but with a subspecies you have a single gene pool.