The octopus does not have a blind spot.
273
Penguins have a gland above their eye that turns saltwater into freshwater.
12
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
The cat brain weighs about 30g.
167
A cow produces around 200,000 glasses of milk in her lifetime.
373
Dogs sometimes fake being sick to get attention.
26