Dogs sometimes fake being sick to get attention.
26
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Sloths take two weeks to digest their food.
243
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
George was the world's largest dog who weighed 233 pounds, stood at 43 inches tall from paw to shoulder, and ate 180 pounds of food a month.
7
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
A scorpion can hold its breath for up to 6 days.
19