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The diet of the Marsh Harrier Circus aeruginosus breeding on the isle of Hailuoto compared to other raptors in northern Finland

Risto Tornberg, Auteur ; Seppo Haapala, Auteur

Dans Ornis Fennica (90(2) 2013)

The Marsh Harrier Circus aeruginosus population has expanded rapidly during the last decades in northern Finland. We studied the diet of Marsh Harrier during the breeding seasons 2002-2009 on the isle of Hailuoto in the Gulf of Bothnia in Finlan[...]

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