The recent publicity around the gorilla genome highlighted to me that eastern and western gorilla lineages seem to have diverged ~1 million years ago. In the process of trying to figure out hybridity I stumbled upon this matrix from Wikipedia on pantherahybrids:
The links will take you where you need to go. Unleash the 10 year old within!
Lion ♀
Tiger ♀
Jaguar ♀
Leopard ♀
Image credit:Wikipedia