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How important are different non-native conifers in Britain to Common Crossbills Loxia curvirostra curvirostra?

Eilidh McNab, Auteur ; Ron Summers, Auteur ; Gavin Harrison, Auteur ; Kirsty J. Park, Auteur

Dans Bird Study (66(1) January, 2019)

CapsulePines physically defend their seeds against seed-eating birds and mammals more than spruces or larches. Cone characteristics reflect the rate at which Common Crossbills Loxia curvirostra curvirostra extract seeds from different non-native[...]

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