There are approximately three chickens for every human on Earth.
13
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
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
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
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