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Citation: A. Rolando et al., A COMPARATIVE-ANALYSIS OF THE FORAGING BEHAVIOR OF THE CHOUGH PYRRHOCORAX-PYRRHOCORAX AND THE ALPINE CHOUGH PYRRHOCORAX-GRACULUS COEXISTINGIN THE ALPS, Ibis, 139(3), 1997, pp. 461-467
Citation: A. Rolando et P. Laiolo, A COMPARATIVE-ANALYSIS OF THE DIETS OF THE CHOUGH PYRRHOCORAX-PYRRHOCORAX AND THE ALPINE CHOUGH PYRRHOCORAX-GRACULUS COEXISTING IN THE ALPS, Ibis, 139(2), 1997, pp. 388-395