The colossal squid has the largest eyes in the world.
4
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
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
A lion in the wild usually makes no more than twenty kills a year.
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