La Tour du Valat

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Jackdaws (Corvus monedula) in Vienna: Status and conservation of nest-sites.

Maria Hoi-Leitner, Auteur ; Elisabeth Wiedenegger, Auteur ; Sabine Hille, Auteur

Dans Vogelwarte (54(2) 2016)

In Vienna, Austria, a first extensive census of Jackdaws (Corvus monedula) revealed a total of 697 breeding pairs at 387 sites. A proportion of only 1.6 % of these sites was occupied by single breeding pairs. Population density exhibited 2.5 bre[...]

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