A 42-foot sperm whale has about 7 tons of oil in it.
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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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The Savannah is the largest domestic cat breed. It resembles a small leopard and behaves like a dog. They can grow up to 40 lbs, have an eight foot vertical jump, and can be trained to walk on a leash and play fetch.
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Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
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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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