Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Condoms were originally made of animal intestines or linen.
347
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
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
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23