Article
Diversifying coevolution between crossbills and black spruce on Newfoundland.
Evolution; international journal of organic evolution - 1 Aug 2002
Parchman Thomas L, Benkman Craig W
Abstract excerpt
Coevolution is increasingly recognized as an important process structuring geographic variation in the form of selection for many populations. Here we consider the importance of a geographic mosaic of coevolution to patterns of crossbill (Loxia) diversity in the northern boreal forests of North America. We examine the relationships between geographic variation in cone morphology, bill morphology, and feeding...
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