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
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
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Cats sleep for 70% of their lives.
8
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
A lion in the wild usually makes no more than twenty kills a year.
186