When you shave a guinea pig it looks like a little hippo.
19
When dragonflies mate, their tails form a love heart.
22
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
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