Indeed. I’ve argued with fundies on the internet about this fact in the past.
I found most folks shut the fuck up when faced with animal homosexuality being widespread.
However, there was a few that insisted that it was only single digit percentages of the population, which constituted “mutants” and could be considered unnatural.
So then I pointed out by that logic that people with green eyes were unnatural. Then those people remaining shut the fuck up.
