In dry years, rivers become birds’ crowded corridors
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New research finds that in dry years, birds funnel into the greenness of river environments, but overcrowding may increase competition for habitat and resources.
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EXPECTING THE UNEXPECTED IN CLIMATE CHANGE
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Studying polar ice and tropical glacier ice samples, Lonnie Thompson and his team reconstruct climate and environmental histories going back 25,000 years – findings they say may help explain devastating population disruptions throughout history.
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