Bøger af Jeffrey G. Groth - plingboeger.dk

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Evolutionary Differentiation in Morphology, Vocalizations, and Allozymes Among Nomadic Sibling Species in the North American Red Crossbill (Loxia curvirostra) Complex

af Jeffrey G. Groth

443,95 kr.

The highly variable North American red crossbill complex has presented one of the most controversial problems in avian systematics. This study suggests that this crossbill complex contains several distinctive sibling species that breed sympatrically and show ecological differences.
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- 443,95 kr.
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