A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
A 42-foot sperm whale has about 7 tons of oil in it.
209
When cats are happy, they may squeeze their eyes shut.
10
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