Tigers not only have stripes on their fur, they also have them on their skin. No two tigers ever have the same stripes.
Here’s a tidbit that might be useful if you plan on becoming the next Steve Irwin: To escape the grip of a crocodile’s jaw, push your thumb into its eyeball – It will let you go instantly.
Fleas can jump up to 200 times their height. This is equivalent to a man jumping the Empire State Building in New York.
A cat has 32 muscles in each ear. All the better for them to eavesdrop on your conversations and plot your demise.
Elephants can smell water up to 3 miles away. They are also one of the three mammals that undergo menopause – the other two being humpback whales and human females.