ABA Birdfinding Guide: A Birder's Guide to Washington

Opperman, Hal; American Birding Association

A Birder's Guide to Ocean Shores, Washington

Morse, Bob

ABA Birdfinding Guide: A Birder's Guide to Washington, Second edition [Scratch & Dent]

Hadley, Jane, Editor; Washington Ornithological Society

Birds of Washington State

Jewett, Stanley G., Walter P. Taylor, William T. Shaw, & John W. Aldrich

Caring for Birds and Nature: 100 Years of Seattle Audubon

Sidles, Constance, Editor

Birds of the Pacific Northwest: A Photographic Guide

Aversa, Tom; Richard Cannings, Hal Opperman

Northwest Birds in Winter

Contreras, Alan L.

Illustrations by PAPISH, Ramiel

Breeding Birds of Washington State

Smith, Micael R., Philip W. Mattocks, Jr., and Kelly M Cassidy.

A Birder's Guide to Coastal Washington

Morse, Bob

The Black Swift in Idaho and Biography of Earl J. Larrison Pacific Northwest Naturalist

Weber, John W.

Birds of the Puget Sound Region Coast to Cascades

Paulson, Dennis; et al

Freeway Birding, San Francisco to Seattle

Fuller, Harry G.

A Guide to Bird Finding in Washington

Wahl, Terence R.; Paulson, Dennis R.

A Working Bibliography on the Peregrine Falcon [Falco perefrinus] in Washington State

Knight, Richard L.; et al

An Annotated Bibliography of Washington Raptors and the Common Raven

Knight, Richard L.

ABA Birdfinding Guide: A Birder's Guide to Washington, Second edition

Hadley, Jane, Editor; Washington Ornithological Society

Large-Scale Conservation Assessment for Neotropical Migratory Land Birds in the Interior Columbia Ri

Saab, Victoria A.

Winter Population Trends of Raptors in Washington From Christmas Bird Counts

Smith, Dwight G.; Richard L. Knight

A Botanical Survey of the Olympic Peninsula, Washington

Jones, George Neville

The Birds of Vashon Island: A Natural History of Habitat and Population Transformation

SWAN, Ed