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Seed availability and timing of breeding of Common Crossbills Loxia curvirostra at Sitka Spruce Picea sitchensis dominated forestry plantations

Andrew Dixon, Auteur ; J. Paul Haffield, Auteur

Dans Ardea (101(1) Spring, 2013)

In Britain the Common Crossbill Loxia curvirostra population has increased markedly in abundance and range with the maturing of the post-war forestry plantations. However, little published information exists on the breeding ecology of the specie[...]

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