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.