One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
The oldest recorded elephant lived for 82 years.
213
A lion in the wild usually makes no more than twenty kills a year.
186
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20