Rattlesnake mating sessions have been known to last more than 22 hours.
232
A lion in the wild usually makes no more than twenty kills a year.
186
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
Penguins have a gland above their eye that turns saltwater into freshwater.
12