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Breeding of Tawny Owls Strix aluco in rural and urban habitats in southern Finland
- Article from:
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Bird Study
- Article date:
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July 1, 2008
- Author:
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;
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Copyright informationCopyright British Trust for Ornithology Jul 2008. Provided by ProQuest LLC. (Hide copyright information)
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Capsule The annual average breeding frequency, clutch size, offspring production and chick survival of Tawny Owls did not differ between rural and urban nesting territories.
Aims To determine whether the general intensity of human habitation in the territory affects breeding.
Methods Clutch size, offspring production, breeding frequency and prey abundance were determined from 210 rural and 60 urban nesting territories monitored between 1994 and 2006.
Results Fluctuations in the annual average clutch size did not differ between habitats. Clutch size and offspring production paralleled each other in rural habitats but not in urban ones. Annual average clutch size followed the regional spring ...