When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
-12
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
When cats are happy, they may squeeze their eyes shut.
10
One in three dog owners say they have talked to their pets on the phone.
427
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255