https://www.vice.com/en_us/article/59n78d/we-have-questions-for-this-sloth-found-gorging-on-human-poo-in-a-toilet

At the beginning of this millennium, just two months after 9/11, scientists in the Peruvian Amazon made one of the most unsettling discoveries ever to be reported in the pages of the prestigious journal Mammalian Biology.

It was a sloth, and it was hanging out inside of a toilet, and it was absolutely gorging itself on a potent liquid slurry of human waste by the handful. It apparently didn't want to be seen engaging in whatever esoteric sloth ritual this was.