Contents
Main Articles
Further Information on the Avifauna of St. Matthew
and Hall Islands,
Bering Sea, Alaska
Bryce W. Robinson,
Jack J. Withrow, Rachel M. Richardson,
Steven M. Matsuoka,
Robert E. Gill, Jr., Andrew S. Johnson,
Irby J. Lovette,
James A. Johnson, Anthony R. DeGange, and
Marc D. Romano
Winter Populations of Waxwings in Idaho
Daniel M. Taylor
Hirundo rustica rustica at Herschel Island–Qikiqtaruk, Yukon—
A Barn Swallow Subspecies New to Canada
Cameron D. Eckert and Richard R. Gordon
Temporal Response of California Black Rails to Tidal Wetland Restoration
Jules Evens
Vocal Differences among the Barred, Cinereous, and Fulvous Owls
Nathan Pieplow and Andrew Spencer
Molt, Age, and Identification of the Masked and
Nazca Boobies in California
Peter Pyle
Two Photographed American Coot × Common Gallinule Hybrids
Richard A. Erickson and Stephen C. Rottenborn
Course Review: Learning California Bird Sounds
W. David Shuford
NOTES
First Record of the Purple Martin Breeding in Idaho
Austin R. Young and Liam M. Waters
Post-Breeding Extra-Pair Pseudocopulation in the Pygmy Nuthatch
Lisa D. Walker-Roseman, Kevin A. Giusti, and Floyd E. Hayes
Featured Photo: A Possible First Hybrid of Icteria × Icterus
Matthew Grube
Front cover painting by © Bryce Robinson of Boise, Idaho: Leucosticte tephrocotis umbrina, the subspecies of the Gray-crowned Rosy-Finch endemic to the islands of the Bering Sea: St Matthew, Hall, and the Pribilofs.
Back cover “Featured Photo” by © Matthew Grube of Redlands, California: Apparent hybrid of a Yellow-breasted Chat (Icteria virens) × oriole, probably Hooded Oriole (Icterus cucullatus), San Timoteo Canyon, San Bernardino County, California, 10 September 2019.