Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
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The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
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It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
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The elephant brain weighs about 6,000g.
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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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Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
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The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
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