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Evolutionary Differentiation in Morphology, Vocalizations, and Allozymes Among Nomadic Sibling Species in the North American Red Crossbill (<i>Loxia curvirostra</i>) Complex : University of California Publications in Geological Sciences - Jeffrey G. Groth

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

University of California Publications in Geological Sciences

Paperback

Published: 16th August 1993
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The highly variable North American red crossbill complex has presented one of the most controversial problems in avian systematics. Although crossbills wander nomadically and breed all year, they have not become homogenized in bill and body size. This study suggests that this crossbill complex contains several distinctive sibling species that breed sympatrically and show ecological differences.

ISBN: 9780520097827
ISBN-10: 0520097823
Series: University of California Publications in Geological Sciences
Audience: Professional
Format: Paperback
Language: English
Number Of Pages: 156
Published: 16th August 1993
Publisher: UNIV OF CALIFORNIA PR
Country of Publication: US
Dimensions (cm): 25.4 x 17.78  x 0.84
Weight (kg): 0.28