The Basenji dog is the only dog that is not able to bark.
4
Rattlesnake mating sessions have been known to last more than 22 hours.
232
When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
25
A cat can jump FIVE TIMES as high as it is tall!
371
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
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Sloths take two weeks to digest their food.
243