When Martin Perales and Paul Blank go fishing on the Napa River, the fish barely stand a chance. The two men don't use a fishing rod. They use a rotary screw trap — a rotating funnel, 8 feet across, ...
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When Animals Start Using Traps, It’s Too Late
What happens when animals start setting traps like human hunters? Some species already use ingenious ambush tactics, from spiders spinning webs to birds and fish crafting elaborate traps. But as ...
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