interbreed

The earlier timeline means that the three species of humans co-existed on the planet for around 800,000 years, much longer than previously thought, perhaps interacting and interbreeding in that time.

Barred owls and spotted owls are similar in appearance and can even interbreed.

Barred owls and spotted owls are similar in appearance and the birds can even interbreed.

"Over time we are going to have this entire lineage of cold adapted elephants that we can put back into the wild that can interbreed"

The two owls are closely related; they are similar in appearance and the birds can even interbreed.