The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
When cats are happy, they may squeeze their eyes shut.
10
In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9
Domestic pigs average a top speed of about 11 miles per hour.
182
The cat brain weighs about 30g.
167
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
Ants have tiny magnetic compasses in their antennae which help them navigate.
9