The Basenji dog is the only dog that is not able to bark.
4
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
Denmark has twice as many pigs as there are people.
66
The elephant brain weighs about 6,000g.
274
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6