Elephants are among the most emotional creatures in the world - they have even been known to rescue other animals, such as trapped dogs.
25
Woodpecker scalps, porpoise teeth and giraffe tails have all been used as money.
46
Crocodile babies don't have sex chromosomes; the temperature at which the egg develops determines gender.
45
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
Most elephants weigh less than a blue whale's tongue.
442
Squirrels forget where they hide about half of their nuts.
698
Dogs sometimes fake being sick to get attention.
26
A cow produces around 200,000 glasses of milk in her lifetime.
373