Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
A lion in the wild usually makes no more than twenty kills a year.
186
Sharks have been on the planet longer than trees.
14
A puppy is born blind, deaf, and toothless.
16
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
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