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Volume 36(2) - December 1989
Articles
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The autumn migration of Yellow Wagtails (Motacilla flava) along the spanish mediterranean coasts.
CANTOS F. J and ASENSIO B. (pages 139-147).
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Foraging behaviour and tree species selection: an analysis with the Short-toed Treecreeper (Certhia brachydactyla) during winter.
CARRASCAL, L. M. and TELLERÍA, J. L. (pages 149-160).
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Diet variation among wintering frugivorous Robis, Erithacus rubecula: effects on body condition.
JORDANO, P. (pages 161-183).
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Efectiveness of an emetic (apomorphine) for the diet studies of granivorous passerines.
DÍAZ, M. (pages 185-191).
Short notes
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Diet of the Long-eared Owl (Asio otus canariensis) in Gran Canaria (Canary Islands).
TRUJILLO, O., DÍAZ, G. and MORENO, M. (pages 193-198).
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On the expansion of the breeding area of the Cattle Egret (Bubulcus ibis) in central Spain.
CAMACHO, M. (pages 198-201).
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Efectiveness of two methods for preventing bird electrocutions on power lines.
NEGRO, J. J., FERRER, M., SANTOS, C. and REGIDOR, S. (pages 201-206).
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Bird-prey selection by the Barn Owl (Tyto alba Scop.) in Spain.
BARBOSA, A., LÓPEZ, M. A. and NIEVA, A. (pages 206-210).
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Visual detectability of birds censused by car.
CARRASCAL, L. M., DÍAZ, J. A. and RUIZ, M. (pages 210-214).
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On the Purple Heron (Ardea purpurea) in the northwest of the Iberian Peninsula.
DE SOUZA, J. A., MOURIÑO, J. and RABUÑAL, J. L. (pages 214-218).
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Diet of the Common Raven (Corvus corax) in a marshy environment.
AMAT, J. A. and OBESO, J. R. (pages 219-224).
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Age and sex differences in the dispersal behaviour of the Alpine Accentor (Prunella collaris) in central Spain.
MARTÍ, R., GÓMEZ-MANZANEQUE, A. and PERALES, J. A. (pages 224-226).
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Laying date and breeding rates of the Eagle Owl (Bubo bubo) in Navarra, northern Spain.
DONÁZAR, J. A. (pages 226-230).
Sections
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Ornithological news.
DE JUANA, E. (Rec.). (pages 231-264).
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Book Reviews.
. (pages 265-271).
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