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Contact: Miranda Richmond
University of Colorado at Boulder

Crossbill Feeding on Pinyon Pine

Caption: A decline in the reproduction of pinyon pine trees in the Southwest in recent decades could affect a number of different bird and mammal species, including the crossbill seen here feeding on a pinyon pine nut.

Credit: Jeffry Mitton, University of Colorado

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Related news release: Southwest regional warming likely cause of pinyon pine cone decline, says CU study

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