Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Cows can sleep standing up, but they can only dream lying down.
745
In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9
A 42-foot sperm whale has about 7 tons of oil in it.
209
Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
11