Local survival of Dunlin wintering in California
Condor
By: N. Warnock, G. W. Page, and B. K. Sandercock
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Abstract
We estimated local annual survival of 1,051 individually color-banded Dunlin (Calidris alpina) at Bolinas Lagoon, California from 1979 to 1992. Resighting rates for birds banded as adults varied significantly among years, and resighting rates for first-year birds varied by sex and year. No significant differences in local survival rates were found between males and females in any age classes. First-year birds had lower local survival rates than adults. We suspect that raptor predation accounted for much of this difference and other variation in survival rates. Adult Dunlin had lower local survival rates in the year of capture than in subsequent years. Variation in resighting of some groups of individuals including transient Dunlin may account for some differences. However, capture and release of Dunlin may induce short-term behavioral changes that increase the risk of depredation by avian predators within the first few days after capture.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Local survival of Dunlin wintering in California |
| Series title | Condor |
| DOI | 10.2307/1370141 |
| Volume | 99 |
| Issue | 4 |
| Year Published | 1997 |
| Language | English |
| Publisher | Oxford Academic |
| Description | 10 p. |
| First page | 906 |
| Last page | 915 |
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