Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
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Cats sleep for 70% of their lives.
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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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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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