Snakes, invertebrates, birds, and more have evolved several reasons for feigning death
Dozens of invertebrates practice tonic immobility, making them among the most common—or at least most studied—species to do so., making it nearly impossible for frogs to swallow them.
at the University of St. Andrews in the United Kingdom, says by email. It’s difficult to record in the wild, and there are ethical concerns about creating lab experiments in which predators attack prey, she says. Here’s what scientists do know.Many insects feign death after a predator has grabbed them, a phenomenon called post-contact immobility.antlions—a fierce type of predatory winged insect—can play dead for an astonishing 61 minutes.
It goes a little like this: A predator, let’s say a hedge sparrow, notices a group of antlion larvae pits and dives to grab the insect. The sparrow drops the larva, as happens with some frequency, and the insect plays dead.
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