Dogs sometimes fake being sick to get attention.
26
Alligators can live up to 100 years.
337
Parrot parents "name" their children with a signature call.
112
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Cats sleep for 70% of their lives.
8