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Breeding density and distribution of Choughs Pyrrhocorax pyrrhocorax nesting in river cliffs: The role of nest-site availability

G. Blanco, Auteur ; J. A. Cuevas, Auteur ; J. A. Fargallo, Auteur

Dans Ardea (86(2) 1998)

The breeding abundance of Choughs Pyrrhocorax pyrrhocorax war investigated in relation to type of rock and related features of nesting cliffs along rivers in south-eastern Madrid (Central Spain). Gypsum cliffs are larger and provide more nest si[...]

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