The cat brain weighs about 30g.
167
When cats are happy, they may squeeze their eyes shut.
10
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
59