When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
Cats sleep for 70% of their lives.
8
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8