Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
A dork is a whale's penis.
327
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
The colossal squid has the largest eyes in the world.
4
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
Cats and dogs can hear ultrasound.
350