Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
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
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
A giraffe's kick is so powerful that it can decapitate a lion.
216
A domestic cat can sprint at about 31 miles per hour.
274
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2