Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
8
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Rattlesnake mating sessions have been known to last more than 22 hours.
232
A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Sharks have been on the planet longer than trees.
14