Dolphins have names for one another.
18
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
The elephant brain weighs about 6,000g.
274
Tigers, leopards, and jaguars love "Calvin Klein's Obsession for Men". The scent is used to attract animals to cameras in the wilderness, and was even a turn on for one pair of Jaguars who were subject to it.
17
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5