I wonder if future species will look back on humanity like we look back on the dinosaurs. Interesting to consider... there's also probably a short story in there.
Do you have a source?
However, it is critical to understand that with hybrids there may be little if any genetic evidence remaining or it may be simply too scrambled to understand. Hybrids from a genetic point of view are complicated and do not necessarily leave a well defined record in their genetics.
Pig hearts are used to study the anatomy of human hearts because they are very similar in structure, size and function to human hearts.
https://education.seattlepi.com/pig-hearts-used-study-anatom...
I'm sorry, what?
I still like to think that hybridization played a greater role in evolution than we now suppose.
The proponent (Eugene M McCarthy) has some amazing examples of cross-species fertilization but also some pretty crack-potty stuff. His website is http://www.macroevolution.net/