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THE WILSON JOURNAL OF ORNITHOLOGY • Vol. 123. No. 4. December 2011 
State University, and Kristel Bakker, Dakota State 
University, “Distribution and habitat selection of 
the Western Burrowing Ow l (Athene cunicularia 
hypugoea ) in western South Dakota." 
Emily H. Thomas, Margaret C. Brittingham, 
and Walter M. Tzilkowski, Penn State University, 
and Scott H. Stoleson, LrSFS Northern Research 
Station. “Effect of oil and gas development on 
songbird abundance in the eastern United States." 
Lauren E. Throop and Craig W. Bcnkman, 
University of Wyoming, “Evidence for Allee 
effects? How variation in local tree density 
influences the mutualism between limber pine 
(Pinus flexilis) and the Clark's Nutcracker ( Nuci- 
fraga columbiana).” 
Romeo Tinajero and Ricardo Rodrfguez-Es- 
trella, Centro de Investigaeiones Biologicas de 
Noroeste (CIBNOR), La Paz, Baja California Sur, 
Mexico, and Jesus A. Lemus and G. Blanco, 
Museo Nacional de Ciencias Naturales (CSIC), d 
Jose Gutierrez Abascal 2, 28006 Madrid, Spain, 
“Effects of habitat fragmentation on the commu¬ 
nity of pathogens of the Harris' Hawk in the 
desert of Baja California Sur, Mexico." 
Lauren F. Tingco, California Stale University, 
Los Angeles. “Impact of disturbance on the 
roosting behavior of Western Snowy Plovers, 
(Charadrius alexandrinus nivosus)." 
Katerina Tvardikova and Vojtech Novotny, 
University of South Bohemia and Institute of 
Entomology. Ceske Budejovice. Czech Republic, 
“Diversity pattern and significant upward shifts 
in birds along a complete altitudinal rainforest 
gradient in New Guinea." 
Jonathon J. V'alente, Richard A. Fischer, 
Michael P. Guilfoyle, and Sam S. Jackson, U.S. 
Army Engineer Research and Development Cen¬ 
ter, Michael D. Kaller. Louisiana State University 
Agricultural Center, and John T. Ratti, University 
of Idaho, “Bird community response to vegeta¬ 
tion cover and composition in riparian habitats 
dominated by Russian olive (Elaeagnus au¬ 
gust if olia)." 
Michele de Verteuil and William P. Kuvlesky 
Jr., Texas A&M University-Kingsville, Andrea R. 
Litt, Montana State University, Leonard A. 
Brennan. Texas A&M University-Kingsville. 
James F. Gallagher. Texas AgriLife Extension, 
and Daniel P. Walker. Texas Parks and Wildlife 
Department, “Impacts of wildfire on avian 
communities." 
Carol Vleck, David Vleck, and Christopher 
Foote, Iowa State University, and David Winkler, 
Cornell University, “Effects of carrying an 
instrument package on telomere length and innate 
immune function in Tree Swallows." 
Kristin Wakeland. Patrick Mathews, and Alan 
Maccarone, Friends University, “Waterbird di¬ 
versity at a man-made stopover wetland in an 
urban environment." 
Lindsey A. Waiters. Northern Kentucky Uni¬ 
versity, and Nathan Olszewski and Kevin Sobol. 
Canisius College. “Starting over: nest relocation 
and nestling provisioning in House Wrens after 
nest predation.” 
Gregory T. Wann and Cameron L. Aldridge, 
Colorado State University, and Clait E. Braun, 
Grouse Inc.. “Long-term trends in survival and 
population growth of White-tailed Ptarmigan in 
Colorado.” 
Enrique Weir, The Crane Trust. "Wet mead¬ 
ows distribution, use by cranes and other migra¬ 
tory birds, and hydrological influence at South¬ 
central Nebraska: a literature and information 
summary and evaluation.” 
Douglas W. White and E. Dale Kennedy, 
Albion College, “Time of fledging in House 
Wrens, Troglodytes aedon , derived from temper¬ 
ature loggers." 
Teri Wild. University of Alaska, Steve Kendall. 
Yukon Flats National Wildlife Refuge, Nikki 
Guldager. Arctic National Wildlife Refuge, and 
Abbv Powell, USGS Alaska Cooperative Fish and 
Wildlife Research Unit, “Breeding Smith’s 
Longspur habitat associations and predicted 
distribution in the Brooks Range, Alaska." 
Matthew Wilkins, University of Colorado, 
Hakan Karaardty and Ali Erdogan, Akdeniz 
University, Antalya, Turkey, and Rebecca J. 
Safran, University of Colorado. "Geographic 
variation in the song of the Bam Swallow, 
H i rundo rust tea.'' 
Karen Willard. Paul Rodewald, and Robert 
Gates, The Ohio State University, "Occupancy 
modeling of marsh bird habitat associations in 
Ohio.” 
Virginia L. Winder and Steven D. Emslie, 
University of North Carolina Wilmington. “Ecol¬ 
ogy ol Nelson’s, Seaside and Saltmarsh sparrows 
(Ammodramus nelsoni. A. maritinius. and A. 
catiducutus , respectively) and mercury availabil¬ 
ity at breeding versus non-breeding sites." 
Jared D. Wolfe, Louisiana Slate University, and 
C. John Ralph, USFS Pacific Southwest Research 
Station and Klamath Bird Observatory. “Gimme’ 
shelter: a tropical bird’s dissimilar response to 
