It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
The male seahorse carries babies and 'gives birth' to them instead of the female.
7
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
A cow produces around 200,000 glasses of milk in her lifetime.
373
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
A giraffe's kick is so powerful that it can decapitate a lion.
216