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What spiders eating weird stuff tell us about complex Amazon food webs

Author: Jeremy Rehm / Source: Science News

fishing spider eating a tadpole
WHAT’S FOR DINNER? Documenting invertebrates of the Amazon rainforest chowing down on vertebrates, such as this fishing spider with a tadpole in its mouth, helps scientists connect the dots of the Amazon’s intricate food web.

Rudolf von May has seen some pretty wild things in Peru’s Amazon rainforest.

But this took things to a whole new level. There, caught on a team member’s cell phone video, was a giant tarantula, about the size of a dinner plate, weeble-wobbling through the leaf litter with the body of what was later identified as a mouse opossum hanging from its fangs.

“It was very surprising, to some extent shocking,” says von May, an ecologist at the University of Michigan in Ann Arbor, of the first-ever recording of such an encounter. “It’s very rare to see mammals being preyed upon by a large spider.”

Along with his colleagues, von…

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