It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
The seahorse is the only fish to have a neck.
12
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
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
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
The Savannah is the largest domestic cat breed. It resembles a small leopard and behaves like a dog. They can grow up to 40 lbs, have an eight foot vertical jump, and can be trained to walk on a leash and play fetch.
17