eWestern BirdsThe Quarterly Journal of Western Field Ornithologists
Vol. 53, No. 1
Western Field Ornithologists
Merlin Parental Behavior and Chick Development as Revealed by Webcam
Lynn W. Oliphant, Ian G. Warkentin, Kelly Kozij, and Adam P. Schmidt
Breeding Swainson’s Hawks in the Central Coast Range of California
Stephanie Klein, Larry Baer, and Ryan A. Phillips
Diet-Related Plumage Erythrism in the Western Tanager and Other Western North American Birds
Jocelyn Hudon and Peter Pyle
Do Attributes of Gray Vireo Nest Sites Influence Brown-headed Cowbird Brood Parasitism?
Joseph F. Di Liberto, Maya R. Stahl,
Silas E. Fischer, and Kathy A. Granillo
Sierra Nevada Willow Flycatcher Decline Continues but Losses Abate at Two Restored Meadows
Helen L. Loffland, Lynn N. Schofield, Rodney B. Siegel, and Beth Christman
Notes on the Breeding Biology of the Hooded Grosbeak (Coccothraustes abeillei)
Richard A. Erickson and René Valdés
First Specimen of the Nazca Booby (Sula granti) for the State of Baja California, Mexico
Jonathan Vargas, Liliana Ortiz-Serrato,
César Iván Manríquez-Castro, and Gorgonio Ruiz-Campos
Northern Cardinal Nesting in Wyoming
Robert D. Dorn, Jane L. Dorn, and Calvin E. Dyer
Daniel S. Cooper and Robert A. Hamilton
Front cover photo by © Ed Harper of Carmichael, California: Prairie Merlin (Falco columbarius richardsonii) near Winters, Yolo County, California, 28 February 2019. Populations of all three North American subspecies of the Merlin have been on the increase in recent years.
Back cover photo by © Calvin Dyer of Lingle, Wyoming: Fledgling Northern Cardinal (Cardinalis cardinalis) begging from adult male near Lingle, Goshen County, Wyoming, representing the first confirmation of the species nesting successfully in Wyoming and an expansion of its range west along the North Platte River.