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fromwww.scientificamerican.com
4 days agoThese snakes steal poison from their preyhere's how they know they have enough
Red-necked keelback snakes acquire toxins from toads, storing them in nuchal glands for defense against predators.
What's scarier than a spider? A really big spider, of course. A newfound defensive tactic takes advantage of this idea: researchers documented spiders building giant spiderlike silhouettes on their webs to ward off predators. These decoys are an example of web decorations that some spiders are known to produce, often to prevent getting eaten, avoid bird strikes or attract prey.