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THE WILSON JOURNAL OF ORNITHOLOGY • Vol. 123. No. 4. December 2011 
Kevin Ellison and Steve Zack, Wildlife Con¬ 
servation Society, “Using grassland birds to guide 
an ecological restoration of bison.” 
Dorothy A. Fatunmbi and Sara R. Morris, 
Canisius College, “How is plumage used to 
determine age and sex of birds?” 
Andrew Flynn and Rebecca J. Safran, Univer¬ 
sity of Colorado, “Predictors of nest predation in 
North American Barn Swallows Himndo rus- 
tica 
Cecily F. Foo and Timothy H. Parker, Whitman 
College, “Song similarity in Dickcissels ( Spiza 
americana) is not well described by cross- 
correlation.” 
Thomas Gardali, Diana Humple, Renee Cor¬ 
mier, and Nathaniel E. Seavy, PRBO Conserva¬ 
tion Science, “Establishing the breeding prove¬ 
nance of a temperate-wintering sparrow with 
light-level geolocation.” 
Jessica M. Gorzo and Patrick G. R. Jodice, 
USGS South Carolina Cooperative Fish and 
Wildlife Research Unit, “Bird community distri¬ 
bution on golf courses in coastal Beaufort County, 
SC.” 
A. Groves, Illinois Wesleyan University, V. 
Berardi. P. Sweet, and J. Sweet, Illinois Beach 
State Park Hawk Watch. A. P. Capparella and G. 
Knapp. Illinois State University, and R. G. 
Harper. Illinois Wesleyan University. “Winter 
abundance of Red-tailed Hawks ( Buteo jamaicen- 
sis) and American Kestrels (Falco sparverius) in 
human-altered landscapes in northeastern and 
central Illinois." 
Jeremy E. Guinn, Sitting Bull College, “Effects 
of productivity on productivity: shrike nesting 
effort related to regional photosynthetic output 
1994-2009.” 
Jodi A. Gullicksrud and Muir D. Eaton. Drake 
University, “Intra- and inter-specific variations in 
cone photoreceptor abundances among water- 
fowl.” 
Margret I. Hatch, Penn State University- 
Worthington. and Robert J. Smith and T. J. 
Zenzal, University of Scranton, “Male and female 
differences in morphology including plumage 
coloration in a “monomorphic 1 ’ species, the Gray 
Catbird.” 
Lyndon R. Hawkins and Brian D. Peer, 
Western Illinois University, “Egg shape and its 
effect on incubation temperature in the Brown¬ 
headed Cowbird.” 
Nicholas P. Hufleldt. Aarhus University and 
University of Copenhagen, Denmark, Iben N. 
Aggerholm, Nathia H. Brandtberg, and Jacob H. 
Jorgensen, University of Copenhagen, and Klaus 
Dichmann and Peter Sunde. Aarhus University. 
“Factors in Barn Owl (Tyro alba) natal dispersal: 
is it density dependence?” 
William Jacckle. Miranda Kiefer, Brittany 
Childs, and R. Given Harper. Illinois Wesleyan 
University, and Brian Peer. Western Illinois 
University. “Comparison of eggshell porosity 
and estimated gas flux between the Brown-headed 
Cowbird ( Molothrus ater) and its hosts: the 
Dickcissel (Spiza americana) and the Red-winged 
Blackbird ( Agelaius phoeniceus)." 
Levi R. Jamison and Charles van Riper HI, 
University of Arizona. “Rapid spread of the 
tamarisk leaf beetle (Diorhabda carinulata)." 
Brittany Jenkins. University of Colorado, 
“Information content of sexual signals: a tempo¬ 
ral investigation of stress resistance." 
Erica Judd, Chris Butler, and Eric Judd, 
University of Central Oklahoma. “Ecological 
niche modeling as a method for mapping 
distribution of hummingbird hybrids.” 
Janice K. Kelly and Kenneth A. Schmidt. Texas 
Tech University, “Post-breeding public informa¬ 
tion use in a ground-nesting songbird com¬ 
munity.” 
Mary E. Komegay and Jaime A. Collazo, 
USGS North Carolina Cooperative Fish and 
Wildlife Research Unit, Stephen J. Dinsmore. 
Iowa Slate University, and James F. Saracco, 
Institute of Bird Populations Point Reyes Station. 
“Testing assumptions underlying estimates of 
breeding productivity derived from mist netting 
data.” 
Eunbi Kwon and Brett K. Sandercock, Kansas 
State University. “Age-specific demography and 
population dynamics of the Western Sandpiper. 
Calidrix mauri." 
Linda A. Lait and Theresa M. Burg, University 
of Lethbridge. “Postglacial recolonization pat¬ 
terns of the Chestnut-backed Chickadee (Poecile 
rufescens)." 
Anna Joy Lehmicke and D. B. Warned. 
University of Georgia. Mark Woodrey, Missis¬ 
sippi State University, and Bob Cooper, Univer¬ 
sity of Georgia, “Differences in breeding ecology 
of Seaside Sparrows in Gulf and Atlantic coastal 
marsh habitats.” 
Casey A. Lott, Stephen F. Railsback. Colin J. 
R. Sheppard. Richard A. Fischer, Stephen R. 
Crawford, and Douglas A. Miller. American Bird 
Conservancy, “A web-available, individual-based 
