Crop use by introduced bird species in winter in relation to crop structure and seed resources: Capsule Most species preferred to forage in grassland where seed resources were more abundant and the vegetation was uniform in height but heterogeneous in density.

Author： Macleod Catriona J.   Till Andreas  

Publisher： Taylor & Francis Ltd

ISSN： 0006-3657

Source： Bird Study, Vol.54, Iss.1, 2007-03, pp. : 80-86

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