Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
Condoms were originally made of animal intestines or linen.
347
A 42-foot sperm whale has about 7 tons of oil in it.
209
The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
21
Whales and dolphins can't taste anything other than salt.
11