Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
Whales and dolphins can't taste anything other than salt.
11
Nicole Kidman is scared of butterflies.
65
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13