Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
The cat brain weighs about 30g.
167
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
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