Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
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The largest earthworm on record was found in South Africa and measured 22 feet.
151
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
The octopus does not have a blind spot.
273
The elephant brain weighs about 6,000g.
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It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
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The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
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.
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