Volume 48(1) - June 2001

Articles

1. Autumn nocturnal migration of waterbirds (Anseriformes and Charadriiformes) in North-Eastern Bulgaria. Pavel ZEHTINDJIEV. (pages 1-10).
11. Loose nesting aggregation in the Red-necked Nightjar, Caprimulgus ruficollis. ARAGONÉS, J., RECUERDA, P. and ARIAS DE REYNA, L. (pages 11-18).
19. Breeding biology of the Night Heron Nycticorax nycticorax in the south-west of Spain. PAREJO, D., SÁNCHEZ, J. M. and AVILÉS, J. M. (pages 19-25).
27. Seasonal changes in abundance and flight-related morphology reveal different migration patterns in Iberian forest passerines. TELLERÍA, J. L., PÉREZ-TRIS, J. and CARBONELL, R. (pages 27-46).
47. A new species of vulture (Aves, Aegypiinae) from the Upper Pleistocene of Spain. HERNÁNDEZ CARRASQUILLA, F. (pages 47-53).
55. Habitat preferences of Bonelli´s Eagles (Hieraaetus fasciatus) in Alicante (E of Spain) at two spatial scales. RICO ALCÁZAR, L., MARTÍNEZ, J. A., MORÁN, S., NAVARRO, J. R. and RICO, D. (pages 55-62).
63. Egg size variation in a Mediterranean Great Tit Parus major population. ENCABO, I. Silvio, MONRÓS, J. S. and BARBA, E. (pages 63-70).

Short notes

71. Spring migration in relation to sex and age of Marsh Harriers Circus aeruginosus over a Central Mediterranean island. Nicolantonio AGOSTINI. (pages 71-73).
75. Notes about seasonal and geographical variation in the diet of the Long-Eared Owl Asiuo otus. GARCÍA GONZÁLEZ, A. and CERVERA ORTÍ, F. (pages 75-80).
81. How does the extent of a partial moult vary? Some data for Melodious Warblers Hippolais polyglotta in Central Iberia. PINILLA, J. (pages 81-84).

Forum

85. Exploded leks: what bustards can teach us. MORALES, M. B., JIGUET, F. and ARROYO, B. (pages 85-98).
99. The future of the Spanish scientific journals: a need for a scientific, social and institutional effort. DÍAZ, M., ASENSIO, B., LLORENTE, G. A., MORENO, E., MONTORI, A., PALOMARES, F., PALOMO, J., PULIDO, F., SENAR, J. C. and TELLERÍA, J. L. (pages 99-105).

Special articles

107. Spanish names for the world birds recommended by the Spanish Ornithological Society (Sixth part: Coliiformes, Trogoniformes and Coraciiformes).. BERNIS, F., DE JUANA, E., DEL HOYO, J., FERNÁNDEZ-CRUZ, M., FERRER, X., SÁEZ-ROYUELA, R. and SARGATAL. J. (pages 107-110).

Sections

111. Book reviews.. MOLINA, B. and SAEZ-ROYUELA, R. (pages 111-116).
117. Report on rare birds in Spain in 1999. DE JUANA, E. and COMITÉ DE RAREZAS DE LA SOCIEDAD ESPAÑOLA DE ORNITOLOGÍA. (pages 117-136).
137. Ornithological news. DE LA PUENTE, J. and LORENZO, J. A. (pages 137-147).