Killdeer population trends in North America

Journal of Field Ornithology
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Killdeers (Charadrius vociferus) are considered a common species that inhabits a wide range of wetland and upland habitats throughout much of North America, yet recent information suggests that they may be declining regionally, if not throughout much of their range. To address this issue, we examined population trends of this species at multiple spatial and temporal scales using data from two major avian survey efforts, the Breeding Bird Survey (BBS) and Christmas Bird Count (CBC). A summary of BBS trends indicates significant long-term (1966a??1996) declines in breeding populations across North America. Geographic regions driving this decline were Canada, western survey regions of the continent, and select southeastern states. In contrast, over the same time period, Killdeer populations increased in some midwestern states, particularly those in the Great Lakes region. Recent BBS trends (1986a??1996) indicate highly significant declines across most areas of North America surveyed. Trends from CBC data (1959a??1988) indicate declines at a smaller spatial scale. While the ability of current major avian survey efforts to detect population trends for Killdeer and other shorebird species warrants further examination, significant negative trends in Killdeer populations indicates the need to further investigate the status of this species.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Killdeer population trends in North America
Series title Journal of Field Ornithology
Volume 72
Issue 1
Year Published 2001
Language English
Contributing office(s) Forest and Rangeland Ecosystem Science Center
Description p. 160-169
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title Journal of Field Ornithology
First page 160
Last page 169
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