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Nest-site selection and predation in Savi’s Warblers, Locustella luscinioides.

Author:
  • Julio Neto
Publishing year: 2008
Language: English
Pages: 171-176
Publication/Series: Bird Study
Volume: 53
Issue: 2
Document type: Journal article
Publisher: British Trust for Ornithology

Abstract english

Capsule: Savi’s Warblers preferred sites dominated by high and dense Juncus and Rubus with thick litter, and avoided pure reeds; predation was higher in sites with less litter.

Aim: To describe nest-site selection and identify which habitat and nest features influence predation risk.

Methods: Comparisons were made between habitat characteristics measured at nest-sites and random points, and between predated and successful nests.

Results: Total vegetation cover, litter thickness, habitat type, undergrowth height and undergrowth cover, which were higher or denser at nest-sites, were the most important variables influencing the distribution of Savi’s Warbler nests. Nests were most often predated in sites with low litter thickness.

Conclusion: Savi’s Warblers are dependent on the presence of dense low vegetation and litter for nesting, which should be maintained close to or within reed-beds for their benefit.

Keywords

  • Biological Sciences

Other

Published
  • Molecular Ecology and Evolution Lab
  • ISSN: 0006-3657
Júlio Neto
E-mail: julio [dot] neto [at] biol [dot] lu [dot] se

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