Bats always turn left when exiting a cave.
40
Dogs can make about 100 different facial expressions.
18
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
The heart of a mouse beats 650 times per minute!
53
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
A dork is a whale's penis.
327