Archive for the 'all of Loxia' tag

Is the nominate subspecies of the Common Crossbill Loxia c. curvirostra polytypic? I. Morphological differences among years at a single site.

December 27th, 2011 by admin

Red Crossbill (Loxia curvirostra) Science Article...
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Population fluctuations of Siskins Carduelis spinus,Common Crossbills Loxia curvirostra, and Citril FinchesCarduelis citrinella in relationship to flowering intensityof spruce Picea abies

December 27th, 2011 by admin

Red Crossbill (Loxia curvirostra) Science Article...
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White-winged Crossbill (Loxia leucoptera)

July 7th, 2011 by admin

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