In 1949, an official boxing match between a bear and a man was held. The bear won.
41
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Only 3% of bird species have penises.
0
The cat brain weighs about 30g.
167
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45