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Eggs-periment tricks crafty crows from plundering endangered species

Booby-trapped eggs have helped the survival rate in nests along the west coast

15 March 2021 - 19:54 By bobby jordan

Pied crows have long outsmarted other birds by raiding their nests. But they quickly changed their ways when scientists taught them a lesson by sabotaging their food supply with booby-trapped eggs...

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