Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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In Australia, there are spiders big enough to eat snakes.
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Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
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Giant Anteaters' front legs look like a panda.
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There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
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The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
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