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Changing places: spatial ecology and social interactions of female and male Montagu’s Harrier (Circus pygargus) in the Spanish Extremadura

Brigitte Berger-Geiger, Auteur ; Georg Heine, Auteur ; Ajayrama Kumaraswamy, Auteur ; C. Giovanni Galizia, Auteur

Dans Journal of Ornithology (163(1) January, 2022)

The ground nesting raptor Montagu’s Harrier breeds in loose colonies in cereal fields in the Spanish Extremadura. It is unclear how and whether birds in different colonies interact and how harriers spend time before and after nesting, before sta[...]

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Montagu’s Harrier breeding parameters in relation to weather, colony size and nest protection schemes: a long-term study in Extremadura, Spain

Brigitte Berger-Geiger, Auteur ; C. Giovanni Galizia, Auteur ; Beatriz Arroyo, Auteur

Dans Journal of Ornithology (160(2) April, 2019)

On the basis of long-term (2001–2017) and extensive data (> 1700 breeding attempts), we assess factors influencing breeding parameters in Montagu’s Harrier (Circus pygargus), a medium-sized ground-nesting semi-colonial raptor breeding in cereal [...]

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