Cats sleep for 70% of their lives.
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The elephant brain weighs about 6,000g.
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A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
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Lobsters have blue blood.
476
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.
8