Volume 36(1) - June 1989

Articles

3. Breeding failure in Jackdaws (Corvus monedula): egg losses and nestling mortality.. SOLER, M. (pages 3-24).
25. Geographical and seasonal variations in the food habits of the Eagle Owl (Bubo bubo) in Navarra, northern Spain.. DONÁZAR, J. A. (pages 25-39).
41. Altitudinal distribution and geographical patterns of trophic affinity of the Barn Owl (Tyto alba) in the mountains of León, Spain.. ALEGRE, J., HERNÁNDEZ, A., PURROY, F. J. & SÁNCHEZ, A. J. (pages 41-54).
55. Nestling growth in Swallows (Hirundo rustica L.): differences among brood sizes.. DE LOPE, F. & DE LA CRUZ, C. (pages 55-60).
61. The postnuptial migration of the Willow Warbler, Phylloscopus trochilus, through the western Mediterranean region.. ASENSIO, B. & CANTOS, F. J. (pages 61-71).
73. Fruit consumption and seed removal of holly (Ilex aquifolium L.) by passerines in the western Cantabrian Mountains. NW Spain.. GUITIÁN, J. (pages 73-82).
83. Nestling diet of Great Tits (Parus major) in the orange groves of Valencia, eastern Spain.. BARBA, E., GIL-DELGADO, J. A. and LÓPEZ, J. A. (pages 83-87).
87. Nesting of Procellariiformes in the coast of Murcia, SE Spain.. GONZÁLEZ BARBERÁ, G. & HERNÁNDEZ GIL, V. (pages 87-90).
91. The expansion of the breeding range of the Shelduck Tadorna tadorna (L.) in Spain.. ROBLEDANO, F. & CALVO, J. F. (pages 91-95).
96. Comments on the criteria used for the ornithological evaluation of wetlands.. DOMÍNGUEZ, J. (pages 96-101).
102. The breeding population of the Grey Heron (Ardea cinerea) in the River Duero basin (Spain), 1988.. CAMPOS, F. & FERNÁNDEZ-CRUZ, M. (pages 102-106).
107. Wintering of Dupont's Larks, Chersophilus duponti, in the Iberian Peninsula.. SUÁREZ, F. & GARZA, V. (pages 107-110).
111. Report on rare birds in Spain in 1987.. DE JUANA, E. & COMITÉ IBÉRICO DE RAREZAS DE LA SOCIEDAD ESPAÑOLA DE ORNITOLOGÍA. (pages 111-123).
139. The autumn migration of Yellow Wagtails (Motacilla flava) along the Spanish Mediterranean coasts.. CANTOS, F. J. & ASENSIO, B. (pages 139-147).