Only 3% of bird species have penises.
0
The head of a jellyfish is called the "Bell."
6
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
-12
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
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Rattlesnake mating sessions have been known to last more than 22 hours.
232
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328