Don't forget the colossal bush

bats give each other oral, its not a new thing

Relevant argument, seeing as we're all bats.

bats is just the first example that came to mind, chimps do as well, also random side when introduced to the idea of money they almost immediately went to prostitution .
oral sex is a mammalian thing, an old mammalian thing and guess what humans are mammals.

Yeah but the wood not shower everyday, nor use a bathroom or toilet paper