But here is what the big cats do NOT do: Stick their penises up another cat’s butt. They may masturbate, etc...but I’ve not heard of a case of anal penetration.
Still, your point is valid. What animals do WHEN CROWDED IN ARTIFICIAL SITUATIONS isn’t “normal”. Any more than a prison is.
“But here is what the big cats do NOT do: Stick their penises up another cat’s butt”
That is why they should use liberals for medical experiments. There are some things even lab rats won’t do. :/