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- Title
Managing breeding forest songbirds with conspecific song playbacks.
- Authors
Hahn, B. A.; Silverman, E. D.
- Abstract
Recent studies confirm that several territorial songbird species use conspecific cues, including song, when selecting habitat. We conducted a controlled experiment with a population of black-throated blue warblers Dendroica caerulescens, a species of concern in boreal hardwood transition forests, to determine whether song playbacks influence settlement patterns. We tested whether conspecific song broadcast during spring arrival attracts black-throated blue warblers during territory establishment, and whether song playbacks shift territories from the previous year's breeding distributions. The results of our experiment demonstrate that song playbacks significantly increased territorial occupancy and shifted territories closer to the speakers. Loss of breeding habitat is implicated in population declines of many songbirds, and our results suggest that song playbacks should be further investigated as a tool for mitigating the effects of disruptive management actions. Additional work should consider the spatial arrangement of playback speakers to avoid attracting birds from safe areas. The demographic consequences of conspecific attraction must also be explored before this technique is widely implemented.
- Subjects
HABITATS; ANIMAL breeding; BIRD attracting; WILDLIFE attracting; WOOD warblers; WILDLIFE conservation
- Publication
Animal Conservation, 2007, Vol 10, Issue 4, p436
- ISSN
1367-9430
- Publication type
Article
- DOI
10.1111/j.1469-1795.2007.00128.x