Most spiders pose very little danger to humans, including the notorious noble false widow (Steatoda nobilis).
But the half-inch predator does punch surprisingly far above its weight. According to a new study, for example, the noble false widow spider may habitually prey upon vertebrates, with known victims including lizards, bats, and now shrews.
It's more than triple the length of the 1.4-centimeter noble false widow spider, not counting its tail, and weighs roughly 10 times as much.– they present a different challenge for small spiders such as the noble false widow, which can't wrangle reptiles or mammals as a tarantula might., the related noble false widow tackles outsized prey with a combination of potent venom and strong silk.
The video shows a noble false widow's web, located outside a bedroom window of the house in Chichester, with a small mammal ensnared in the silk. Later analysis of the mammal's remains helped researchers identify it as a pygmy shrew. After 20 minutes, the spider had lifted its prey into the rafters, partially out of view. It wrapped the shrew in silk, fed on it for three days, and then dropped what was left out of its web.It's unclear how the spider first caught the shrew, but there's a good chance it was no accident.
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