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1 December 2008 Landscape configuration effects on distribution and abundance of Whip-poor-wills
Michael D. Wilson, Bryan D. Watts
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Abstract

We examined the influence of landscape configuration created by forest regeneration practices on distribution of Whip-poor-wills (Caprimulgus vociferous) during the breeding season by comparing relative abundance and space use between forest areas (stands ≥ 17 years of age) and regenerating forest edges (regeneration stand ≤ 6 years of age adjacent to forest area). Regenerating forest edges contained greater (P < 0.001) abundance of Whip-poor-wills (x̄ ± SE = 2.4 ± 0.30 birds/10 ha) than forest areas (0.8 ± 0.11 birds/10 ha). Eighty-four percent of detections at regenerating forest edges were from within the regenerating stand. However, Whip-poor-wills within regenerating stands were detected within 100 m of the forested edge with a greater probability (P < 0.001) than expected by chance. The positive response of Whip-poor-wills to forest edges is likely due to proximity and use of foraging habitats. The relatively high number of habitat openings created by some forest regeneration practices provide Whip-poor-wills with foraging opportunities not present in less intensively managed forest systems. Forest management for Whip-poor-wills should consider harvest strategies that maintain the availability of regenerating patches in close proximity to mature forests.

Michael D. Wilson and Bryan D. Watts "Landscape configuration effects on distribution and abundance of Whip-poor-wills," The Wilson Journal of Ornithology 120(4), 778-783, (1 December 2008). https://doi.org/10.1676/06-108.1
Received: 18 August 2006; Accepted: 1 January 2008; Published: 1 December 2008
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