Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
The oldest recorded elephant lived for 82 years.
213
The octopus does not have a blind spot.
273
Jumping fleas can accelerate 50 times faster than the space shuttle.
218