Long-Term Trends in Population Size and Breeding Success in the Egyptian Vulture (Neophron percnopterus) in Northern Spain von Cortés-Avizanda, Ainara, Ceballos, Olga, Donázar, JoséA

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Diet of the American Kestrel in Argentine Patagonia von Santillán, MiguelÁngel, Travaini, Alejandro, Zapata, Sonia Cristina, RodrÍguez, Alejandro, Donázar, JoséA, Procopio, Diego Esteban, Zanón, Juan Ignacio

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Population trends of the griffon vulture Gyps fulvus in Northern Spain between 1969 and 1989 in relation to conservation measures von Donazar, JA, Fernandez, C

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High frequency of polyandrous trios in an endangered population of lammergeiers Gypaetus barbatus in Northern Spain von Heredia, Rafael, Donázar, JoséA.

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