Continued from outside back cover 
339 Geographic variation in Type I songs of Black-throated Gray Warblers 
Stewart W. Janes and Lee Ryker 
347 Search behavior of arboreal insectivorous migrants at Gulf Coast stopover sites in spring 
Chao-Chieh Chen, Wylie C. Barrow Jr., Keith Ouchley, and Robert B. Hamilton 
360 Non-breeding ecology of Loggerhead Shrikes in Kentucky 
Erin O’Brien and Gary Ritchison 
367 Sex and age ratios of Bicknell’s Thrush wintering in Hispaniola 
Jason M. Townsend’, Christopher C. Rimrner, Andrea K. Townsend, and Kent R McFarland 
Short Communications 
373 Use of ultraviolet light as an aid in age classification of owls 
C. Scott Weidensaul, Bruce A. Colvin, David F. Brinker, and J. Steven Huy 
378 Breeding dispersal of a Burrowing Owl from Arizona to Saskatchewan 
Geojfrey L. Holroyd, Courtney J. Conway, and Helen E. Trefry 
381 High density nesting of Black-backed Woodpeckers ( Picoides arcticus) in a post-fire Great Lakes jack 
pine forest 
Joseph A. Youngman and Zach G. Gayk 
386 Egg success, hatching success, and nest-site selection of Brown Pelicans, Gaillard Island, Alabama, 
USA 
Orin J. Robinson and John J. Dindo 
390 Nest, eggs, and nesting behavior of the Gray Trembler ( Cinclocerthia gutturalis ) on St. Lucia, West 
Indies 
Joshua B. LaPergola, Jennifer L. Mortensen, and Robert L. Curry 
395 Behavior of Warbling Vircos ejecting real and artificial cowbird eggs 
Todd J. Underwood and Spencer G. Sea/y 
401 Conspecific egg destruction by a female Cerulean Warbler 
Than J. Boves, David A. Bitchier, and N. Emily Boves 
404 Harpy Eagle-primate interactions in the central Amazon 
Bryan Bernard Lem and Alaercio Marajo dos Reis 
409 Common Raven predation on the sand crab 
Paul Hendricks and Lisa M. Hendricks 
4l 1 Cavity-nesting by the Black-billed Magpie ( Pica hudsonia) 
K. Richard Stauffer and L. Scott Johnson 
414 Botteri’s Sparrow ( Peucaea botterii) occurs in northern Coahuila, Mexico 
Paid van Eh, Ricardo Canales-del-Castillo, and John Klicka 
416 The Orange-breasted Thornbird ( Phacellodomus ferrugineigula){ Furnariidae): a new effective host of 
Shiny Cowbird ( Molothrus bonariensis) (Icteridae) 
Giovanni Nathtigall Mauricio 
418 Ornithological Literature 
Robert B. Payne, Book Review Editor 
427 Editorial Announcements 
