La Tour du Valat

Article

[Contribution to the ecology of Montagu's Harrier Circus pygargus in the farmlands of Hellwegsboerde (North Rhine-Westphalia, Germany).]

Manfred Hoelker, Auteur

Dans Ornithologischer Anzeiger (41(2-3) Oktober 2002)

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Article

Feeding ecology of the Montagu's Harrier Circus pygargus in the intensively used agricultural landscape of the Hellwegborde, North Rhine-Westphalia

Manfred Hoelker, Auteur ; Thomas Wagner, Auteur

Dans Vogelwelt (Die) (127(1) 2006)

A long-term analysis of pellets and remains of prey of the Montagu's Harrier enabled the determination of diet, relative quantities of the different prey species, and variations in prey availability in the period 1993-2002. Out of 748 pellets an[...]

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