15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
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Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
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Nicole Kidman is scared of butterflies.
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Dogs have been man's pet for over 14,000 years.
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