La Tour du Valat

Article

Time and travelling costs during chick-rearing in relation to habitat quality in Little Owls Athene noctua

Julia Staggenborg, Auteur ; H. Martin Schaefer, Auteur ; Christian Stange, Auteur ; Beat Naef-Daenzer, Auteur ; Martin U. Grüebler, Auteur

Dans Ibis (159(3) July 1, 2017)

In many bird species, parents adjust their home-ranges during chick-rearing to the availability and distribution of food resources, balancing the benefits of energy intake against the costs of travelling. Over recent decades, European agricultur[...]

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Article

Breeding population, nest site competition, reproduction and feeding ecology of Hoopoe Upupa epops in the upper Rhine valley, SW Germany.

Christian Stange, Auteur ; Peter Havelka, Auteur

Dans Vogelwelt (Die) (124(1) 2003)

After a strong decline since the 1960s, only three relict populations of Hoopoes remained in Baden-Wuerttemberg, SW Germany. In two of these areas, Kaiserstuhl and Markgraeflerland, population trends and reproduction of Hoopoes were studied from[...]

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Article

Breeding population, nest site competition, reproduction and feeding ecology of Hoopoe Upupa epops in the upper Rhine valley, SW Germany.

Christian Stange, Auteur ; Peter Havelka, Auteur

Dans Vogelwelt (Die) (124(1) 2003)

After a strong decline since the 1960s, only three relict populations of Hoopoes remained in Baden-Wuerttemberg, SW Germany. In two of these areas, Kaiserstuhl and Markgraeflerland, population trends and reproduction of Hoopoes were studied from[...]

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