A cow produces 200 times more gas a day than a person.
90
The Basenji dog is the only dog that is not able to bark.
4
More than 90% of shark attack victims survive.
41
Cats sleep for 70% of their lives.
8
In Australia, there are spiders big enough to eat snakes.
20
A polar bear's skin is black. Its fur is not white, but actually clear.
25
A 4-foot walrus penis bone sold at auction in 2007 for $8,000.
202