A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Tigers, leopards, and jaguars love "Calvin Klein's Obsession for Men". The scent is used to attract animals to cameras in the wilderness, and was even a turn on for one pair of Jaguars who were subject to it.
17
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Elephants are terrified of Bees and actually have a special, distinct vocalization for “Run away the Bees are angry”
49
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82