Some animals have evolved to fake their own deaths, a behaviour known as "thanatosis" or "death feigning," as a defence mechanism to deter predators or attract prey
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1. Opossums: When threatened, opossums often fall to the ground, stiffen their bodies, and remain motionless, pretending to be dead
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2. Hognose snakes: Some species of hognose snakes will roll onto their backs, open their mouths, and remain still when threatened, giving the impression that they are dead
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3. Armadillos: Armadillos may freeze and remain still when threatened, making it seem like they're dead
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4. Certain insects: Some insects, like certain species of beetles and ants, will feign death when threatened or disturbed
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5. Fire-bellied Toads: When threatened, they may roll onto their backs and inflate their bodies, appearing lifeless to discourage predator
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6. Lemon Sharks: In rare cases, these sharks enter a trance-like state called tonic immobility when flipped upside down, resembling death to avoid further aggression
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This behaviour can be an effective way for animals to protect themselves from predators or other threats