Jun 17, 2025
BY: ET OnlineTwo pump blood to the gills, one to the rest of the body. When they swim, one heart stops.
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Dolphins have unique whistles, like names, and they use them to call each other.
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The mantis shrimp can strike with the speed of a bullet, breaking glass tanks.
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Elephants show deep emotions, they touch and stand vigil over deceased herd members.
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Wood frogs in Alaska freeze solid in winter and thaw back to life in spring.
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Crows can recognize and remember people who are kind, or who wronged them.
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Bees do a “waggle dance” to tell others exactly where to find flowers.
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Some jellyfish can revert back to their younger form, basically living forever
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