Contents
Taxonomic Relationships of Some Columba Species
Kendall W. Corbin
Comparative Biology of Pacific Coastal White-crowned Sparrows
L. Richard Mewaldt, Sally S. Kibby, and Martin L. Morton
Patterns of Panting and Gular Flutter in Cormorants, Pelicans, Owls, and Doves
George A. Bartholomew, Robert C. Lasiewski, and Eugene C. Crawford Jr.
Breeding and Molt in the White Tern (gygis Alba) on Christmas Island, Pacific Ocean
N. Philip Ashmole
Study of Plumage of the Four Species of the Genus Gallus
G. Victor Morejohn
The Nesting of Some Venezuelan Birds
Alexander F. Skutch
News and Notes
The Condor
Publications Received
The Condor
The Bulletin Board
The Condor
Pictorial Checklist of Colorado Birds
Alfred M. Bailey and Robert J. Niedrach
Covers
Back Matter (PDF)
The Condor
Front Matter (PDF)
The Condor
Communications
Behavior of Orange-chinned Parakeets in Panama
Eugene Eisenmann
A Dovekie on the Pribilof Islands, Alaska
Richard T. Holmes
A Breeding Colony of the Cassin's Auklet and Possible Breeding of the Rhinoceros Auklet on Goat Island, Southwestern Oregon
M. Ralph Browning and William English
Northern Range Extension of Wied's Crested Flycatcher
Roland H. Wauer
Upside-down Resting by Young Green-rumped Parrotlets (forpus Passerinus)
F. G. Buckley and P. A. Buckley
Hammond Flycatcher in West Central Kansas
Charles A. Ely
A Notable Specimen of Vireo Nelsoni
Allan R. Phillips
Groove-billed Ani and Golden-crowned Sparrow in New Mexico
Barbara C. Mcknight
An Addition to the Avifauna of Panama: Long-billed Curlew (numenius Americanus)
Horace Loftin, Stephen G. Martin, and George V. Powell
Age Determination in the Black-billed Magpie
Michael J. Erpino
Black-footed Albatross, Banded at Midway Island, Recovered Off Baja California in First Year
Carl L. Hubbs
Dispersal of Cattle Egret and Little Blue Heron into Northwestern Baja California, Mexico
Carl L. Hubbs
A Broad-winged Hawk in California
A. Guy Mccaskie