Predation by a Marsh Harrier Circusaeruginosus on Yellow-legged GullLarus michahellis nests

Western Marsh Harrier (Circus aeruginosus) Science Article 8

abstract

This note reports a case of predation by an adult female Marsh Harrier Circus aeruginosus onthree nests of Yellow-legged Gulls Larus michahellis at the Ebro Delta. The predation wasobserved on 4 April 2002 on one of the dykes that separate the saltpan-heaters of La Trinitat(Punta de la Banya).

Albert Bertolero, Revista Catalana d’Ornitologia 19:38-40, 2002

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