The Basenji dog is the only dog that is not able to bark.
4
Dogs sometimes fake being sick to get attention.
26
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17