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
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
Cows can sleep standing up, but they can only dream lying down.
745
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
The Basenji dog is the only dog that is not able to bark.
4