Cats and dogs can hear ultrasound.
350
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
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
In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2