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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Ants have tiny magnetic compasses in their antennae which help them navigate.
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Lobsters have blue blood.
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The most expensive cow in the world was sold in 2009 for $1.2 million.
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The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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