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
When dragonflies mate, their tails form a love heart.
22
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
Sheep, goats, octopuses, and toads have rectangular pupils.
7
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
The reindeer is the only mammal that can see UV light.
17
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9