Most tropical marine fish could survive in a tank filled with human blood.
54
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
One million people each year are bitten by animals in the United States.
7
The costliest cat ever is named Little Nicky, who cost his owner $50,000. He is a clone of an older cat.
204
In just about every species of mammal, the female lives longer than the male.
43
Lobsters have blue blood.
476
The cat brain weighs about 30g.
167