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1 May 2012 Nest Attendance and Reproductive Success in the Wood Thrush
Melissa L. Evans, Bridget J. M. Stutchbury
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For most bird species, biparental care is expected to play an integral role in offspring survival. Nevertheless, relatively few studies have simultaneously examined male and female investment into nest attendance, the prevalence of nest attendance through the nesting cycle, or the relationship between nest-attendance effort and nesting success. Here, in a monogamous passerine, the Wood Thrush (Hylocichla mustelina), we use radiotracking to examine nest-attendance behaviors of males and females during the laying, incubation, and nestling stages, and the relationships between nest attendance and nesting success. Across nesting stages, males spent between 14–38% of their time <5 m and 21–58% of their time 5–25 m from the nest, and the time males spent near the nest was positively associated with nesting success. During the incubation stage, the amount of time males spent <5 m from the nest depended upon the female's presence on or off of the nest, as males appear to coordinate their nestattendance behaviors with females. Overall, our results indicate that male Wood Thrushes invest extensively into indirect parental-care behaviors throughout the nesting cycle and that increased nest attendance translates into improved offspring survival.

© 2012 by The Cooper Ornithological Society. All rights reserved. Please direct all requests for permission to photocopy or reproduce article content through the University of California Press's Rights and Permissions website,
Melissa L. Evans and Bridget J. M. Stutchbury "Nest Attendance and Reproductive Success in the Wood Thrush," The Condor 114(2), 401-406, (1 May 2012).
Received: 18 July 2011; Accepted: 1 October 2011; Published: 1 May 2012
Hylocichla mustelina
nest attendance
paternal care
reproductive success
Wood Thrush
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