eWestern Birds
The Quarterly Journal of Western Field OrnithologistsVol. 39, No. 2
June 2008
Western Field Ornithologists

Contents
MAIN ARTICLES
Nest Spacing in Elegant Terns: Hexagonal Packing Revisited
Charles T. Collins and Michael D. Taylor
Reassessment of Tropical Parula Subspecies in Baja California Sur
Marshall J. Iliff, Richard A. Erickson, and Mark J. Billings
Habitat Fragmentation and Scrub-Specialist Birds: San Diego Fragments Revisited
Autumn R. Sartain and Allison C. Alberts
NOTES
First Documented Breeding Colony of Caspian Terns on the Copper River Delta, Alaska
Tyee G. Lohse, Teal K. Lohse, Trae W. Lohse, and Aaron Lang
Caspian Terns Nesting in Alaska: Prophecy, Serendipity, and Implications for Regional Climate-Related Change
Robert E. Gill, Jr.
Breeding Behavior and Dispersal of Radio-Marked California Clapper Rails
Michael L. Casazza, Cory T. Overton, John Y. Takekawa, Tobias Rohmer, and Kenneth Navarre
Book Reviews
Richard C. Hoyer and Nathan Pieplow
Featured Photo: Great Gray Owls Nesting in Fresno County, California
David E. Quady
Front cover photo by © Matt Sadowski of Chula Vista, Cali- fornia: Bridled Tern (Onychoprion anaethetus), Santa Mar- garita River mouth, San Diego County, California, 14 August 2007. Second Bridled Tern identified in California and first to be photographed. The species’ northernmost known nesting site in the eastern Pacific is in Nayarit, central western Mexico.
Back covers (inside and outside) “Featured Photos” by © Gary L. Woods of Fresno, California: Great Gray Owl (Strix nebulosa) female and young at nest, Shaver Lake area, Fresno County, California, 1 June 2007.