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
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
A 42-foot sperm whale has about 7 tons of oil in it.
209