Human birth control pills work on gorillas.
52
One litter of kittens can be produced by more than one father.
57
There are more insects in one square mile of rural land than there are human beings in the world.
55
Contrary to popular belief, dogs do not only sweat by salivating. They also sweat through the poors on their feet.
30
The blesbok, a South African antelope, is almost the same color as grapejuice!
-22
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Cats make over 100 different vocal sounds; dogs can make about ten.
26