The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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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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Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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Ants tend to survive in a microwave because they find the coolest spot and wait!
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Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
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