Cats and dogs can hear ultrasound.
350
A domestic cat can sprint at about 31 miles per hour.
274
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Early American humans hunted car-size armadillos and used their shells for houses.
12
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