Is there a word for 2 different non-human animal species having sex?

[Askance]

@Rigamarole

But what about sex between a human and a Vulcan?

OP specifies two non-human species. Same mistake I made.

[Machine_Elf]

@Malleus_Incus_Stapes

Can I unsee it now, please?

That’s what the goat said, too.