Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
One in three dog owners say they have talked to their pets on the phone.
427
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
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
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Sharks have been on the planet longer than trees.
14
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13