Cats recognise the voice of their owner, but never evolved to care.
22
Alligators can live up to 100 years.
337
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
When cats are happy, they may squeeze their eyes shut.
10
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