Sharks have been on the planet longer than trees.
14
A giraffe's kick is so powerful that it can decapitate a lion.
216
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
The Basenji dog is the only dog that is not able to bark.
4
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
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.
293
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6