The cat brain weighs about 30g.
167
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Cows can sleep standing up, but they can only dream lying down.
745
The Basenji dog is the only dog that is not able to bark.
4
In order to enhance the taste, Japanese macaque wash their food in salt water before they eat. They also make snowballs for fun!
7
In 1949, an official boxing match between a bear and a man was held. The bear won.
41