594 
THE WILSON JOURNAL OF ORNITHOLOGY • Vol 123, No. 3. September 2011 
Ryder, T. B. and J. D. Wolfe. 2009. The current state of 
knowledge on molt and plumage sequence in selected 
neotropical bird families: a review. Ornitologia 
Neotropical 20:1-18. 
Saracco. J. F.. D. F. DeSante. M. P. Norr, and D. R. 
Kaschlue. 2009. Using the MAPS and MoSl programs 
to monitor landbirds and inform conservation. Pages 
651-658 in Proceedings of the Fourth International 
Partners in Flight Conference: tundra to tropics (T. D. 
Rich. C. D. Thompson, D. Demurest, and C. Arizmendi. 
Editors). University of Texas-Pan American Press, 
Edinburg, USA. 
SAVIDGE, J. A. 1987. Extinction of an island avifauna by an 
introduced snake. Ecology 68:660-668. 
Simon, J. C., T. K. Pratt, K. E. Berlin, and J. R. 
Kowalsky. 1998. Age and sex identification of 
Akohckohe. Journal of Field Ornithology 69:654-660. 
VanderWerf, E. A. 2001. Two-year delay in plumage 
maturation of male and female ‘Elepaio. Condor 
103:756-766. 
VanderWerf, E. A. 2008. Sources of variation in survival, 
recruitment, and natal dispersal of the Hawaii 
•Elepaio. Condor 110:241-250. 
Wolfe, J. D.. R. B. Chandler, and D. l Kino. 2009a. 
Molt patterns, age. and sex criteria for selected 
highland Costa Rican resident landbirds. Ornitologia 
Neotropical 20:451 -459. 
Wolfe, J. D.. P. Pyle, and C. J. Ralph. 2009b. Breeding 
seasons, molt patterns, and gender and age criteria for 
selected northeastern Costa Rican resident landbirds 
Wilson Journal of Ornithology 121:556-567 
Wolff. J. D.. T. B. Ryder, and P. Pyle. 2010. Using molt 
cycles to categorize age in tropical birds: an integrative 
system. Journal of Field Ornithology 81:186-194 
