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In neighborhoods with large concentrations of bird feeders and crows, American robin nests are less successful.
Credit: J. Malpass
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Can bird feeders do more harm than good?: Many bird lovers put out feeders full of seed for their feathered friends -- but those feeders may also attract predators that eat eggs and nestlings. The researchers behind a new study tried to untangle these relationships through a four-year study of songbird nests, bird feeders, and predators in urban central Ohio.
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