Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Gorillas can catch human colds and other illnesses.
205
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
11
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
When you shave a guinea pig it looks like a little hippo.
19
The largest breed of rabbit is the Flemish Giant.
65