Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
Domestic pigs average a top speed of about 11 miles per hour.
182
When you shave a guinea pig it looks like a little hippo.
19
Tigers, leopards, and jaguars love "Calvin Klein's Obsession for Men". The scent is used to attract animals to cameras in the wilderness, and was even a turn on for one pair of Jaguars who were subject to it.
17
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6