A new study shows that globally, spiders consume 400-800 million tons of prey each year. That's roughly more than double the amount of fish and meat that humans consume. Impressive...yet creepy at the same time. I suppose we should thank them for their pest control efforts.
Sources:
M Nyffeler, An estimated 400–800 million tons of prey are annually killed by the global spider community. The Science of Nature. 104: 30, 2017. doi:10.1007/s00114-017-1440-1
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