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A team of researchers from Switzerland, Sweden and Germany used data from 65 previous studies to come to the conclusion that spiders rank among the world’s deadliest killers.
Spiders can devour between 400 and 800 million tons (metric) of prey each year. Combined, every species of spider in the world – roughly 45,000 – weighs about 25 million tons.
The study, published in The Science of Nature journal, revealed that the majority of the arachnids’ victims are insects but some of the more frightening creepy crawlies have been known to feast on vertebrates such as lizards, frogs, fish and small mammals.