Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
Bats sleep 18-20 hours per day.
5
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
A cat can jump FIVE TIMES as high as it is tall!
371
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