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Black widow spiders remember their prey if it is stolen

When researchers take away a black widow’s prey, the spider can remember how large the prey was and where it was in the web, and it will search harder for larger missing grubs

By Corryn Wetzel

12 October 2022

Black Widow Spider; Shutterstock ID 617417108; purchase_order: -; job: -; client: -; other: -

Black widow spiders can remember their prey

Shutterstock/Jay Ondreicka

Some web-building spiders can form memories of the prey they catch, and the rare the ability has now been documented in black widows, who can retain information about their prey’s size and the location where it was ensnared in the spider’s web.

After ’s previous research revealed that , he and his colleagues were eager to see if the black-and-red arachnids could form memories of their meals.

Sergi, who was at the University of Wisconsin at the time of…

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