Breeding Behaviour of Eurasian Marsh Harriers (Circus aeruginosus L., 1758; Aves, Accipitridae) Nesting on Three Habitats in Eastern Poland

Research Article

**Breeding Behaviour of Eurasian Marsh Harriers (Circus aeruginosus L., 1758; Aves, Accipitridae) Nesting on Three Habitats in Eastern Poland**

Breeding behaviour of Eurasian marsh harriers Circus aeruginosus pairs nesting in marshes, water reservoir and fish pond of SE Poland were compared. Harriers nesting on the marshes were most efficient during aerial prey transfers, which could suggest that the habitat was taken by experienced, better quality birds when set against the ones occupying nests on the ponds and reservoir. Additional evidence that higher quality birds nested on marshes is that egg laying was earlier there. Marsh Harriers performed U-shape undulation, in the nestling period and these appeared more intense for marsh nesters as well.

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Ignacy Kitowski, 2006. Breeding Behaviour of Eurasian Marsh Harriers (Circus aeruginosus L., 1758; Aves, Accipitridae) Nesting on Three Habitats in Eastern Poland. International Journal of Zoological Research, 2: 169-177.

DOI: 10.3923/ijzr.2006.169.177

URL: https://scialert.net/abstract/?doi=ijzr.2006.169.177

International Journal of Zoological Research

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Ignacy Kitowski

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Research Article

**Breeding Behaviour of Eurasian Marsh Harriers (Circus aeruginosus L., 1758; Aves, Accipitridae) Nesting on Three Habitats in Eastern Poland**

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