Citation: C. Fernandez et al., DENSITY-DEPENDENT EFFECTS ON PRODUCTIVITY IN THE GRIFFON VULTURE GYPSFULVUS - THE ROLE OF INTERFERENCE AND HABITAT HETEROGENEITY, Ibis, 140(1), 1998, pp. 64-69
Citation: C. Fernandez et P. Azkona, INFLUENCE OF FOREST STRUCTURE ON THE DENSITY AND DISTRIBUTION OF THE WHITE-BACKED WOODPECKER DENDROCOPOS-LEUCOTOS AND BLACK WOODPECKER DRYOCOPUS-MARTIUS IN QUINTO REAL (SPANISH WESTERN PYRENEES), Bird study, 43, 1996, pp. 305-313
Citation: C. Fernandez et P. Azkona, SEXUAL DIFFERENCES IN CONSPECIFIC TERRITORIAL DEFENSE OF MARSH HARRIERS (CIRCUS-AERUGINOSUS), The Journal of raptor research, 28(1), 1994, pp. 23-26
Citation: C. Fernandez et P. Azkona, AERIAL FOOD TRANSFER AS A DEMAND BEHAVIOR IN THE MARSH-HARRIER, Journal of field ornithology, 65(1), 1994, pp. 109-114
Citation: C. Fernandez et P. Azkona, HUMAN DISTURBANCE AFFECTS PARENTAL CARE OF MARSH HARRIERS AND NUTRITIONAL-STATUS OF NESTLINGS, The Journal of wildlife management, 57(3), 1993, pp. 602-608