The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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A scorpion can hold its breath for up to 6 days.
19
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
When you shave a guinea pig it looks like a little hippo.
19
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Parrot parents "name" their children with a signature call.
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