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Assortative mating and patterns of inheritance indicate that the three crossbill taxa in Scotland are species

Ron W. Summers, Auteur ; Robert J. G. Dawson, Auteur ; Ron E. Phillips, Auteur

Dans Journal of Avian Biology (38(2) MAR 2007)

There are three breeding taxa of crossbills in highland Scotland, the common crossbill Loxia curvirostra, parrot crossbill L. pytyopsittacus and endemic Scottish crossbill L. scotica. These taxa show no genetic differentiation in neutral DNA (mi[...]

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Article

Temporal variation in breeding and cone size selection by three species of crossbills Loxia spp. in a native Scots pinewood

Ron W. Summers, Auteur ; Robert J. G. Dawson, Auteur ; Robert Proctor, Auteur

Dans Journal of Avian Biology (41(3) MAY 2010)

The breeding biology and cone size selection of crossbills was studied mainly during 1995 to 2002 at Abernethy Forest, Scotland, an ancient native Scots pine Pinus sylvestris wood, where only a single crossbill species, the Scottish crossbill Lo[...]

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