A new born kangaroo is small enough to fit in a spoon!
7
Black bears are not always black. They can be brown, cinnamon, yellow, and sometimes white.
32
A blue whale's aorta (the main blood vessel) is large enough for a human to crawl through.
52
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
One million people each year are bitten by animals in the United States.
7
