The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
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
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
-12
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
Mahatma Gandhi used to travel with his goat so that he could have fresh milk.
11
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14