Birds of the West ; illustrated by Harry Baerg and Carl Petterson.

A guide to bird finding west of the Mississippi /
by: Pettingill, Olin Sewall, 1907-2001
Published: (1981)

Birds and burns of the interior West : descriptions, habitats, and management in western forests /
Published: (2007)

A guide to bird finding west of the Mississippi /
by: Pettingill, Olin Sewall, 1907-2001
Published: (1953)

Bird communities of gambel oak : a descriptive analysis /
by: Leidolf, Andreas, et al.
Published: (2000)

Birds of Western North America : a photographic guide /
by: Sterry, Paul
Published: (2009)

Western birds /
by: Myers, Harriet Williams
Published: (1923)

Introduction to western birds /
by: Paca, Lillian Grace, 1883-
Published: (1953)

A field guide to western birds ; field marks of all species found in North America west of the 100th meridian, with a section on the birds of the Hawaiian Islands /
by: Peterson, Roger Tory, 1908-1996
Published: (1961)

Bird populations of aspen forests in western North America /
by: Flack, J. A. Douglas
Published: (1976)

Western birds /
by: Farrand, John
Published: (1988)

A field guide to western birds /
by: Peterson, Roger Tory, 1908-1996
Published: (1941)

Audubon Western bird guide ; land, water, and game birds, Western North America, including Alaska, from Mexico to Bering Strait and the Arctic Ocean /
by: Pough, Richard H. (Richard Hooper), 1904-
Published: (1957)

Handbook of birds of the western United States : including the great basin, Pacific slope, and lower Rio Grande Valley /
by: Bailey, Florence Merriam, 1863-1948
Published: (1920)

Stokes field guide to birds.
by: Stokes, Donald W.
Published: (1996)

Handbook of birds of the western United States : including the great plains, great basin, Pacific slope, and lower Rio Grande Valley /
by: Bailey, Florence Augusta Merriam, 1863-
Published: (1902)

Handbook of birds of the western United States : including the Great Plains, Great Basin, Pacific Slope, and lower Rio Grande Valley /
by: Bailey, Florence Merriam, 1863-1948
Published: (1921)

Birds of Western North America: nonpasserines /
by: Carlson, Kenneth L.
Published: (1974)

The western birdwatcher : an introduction to birding in the American West /
by: Zimmer, Kevin J.
Published: (1985)

Effects of habitat fragmentation on birds in western landscapes : contrasts with paradigms from the eastern United States /
Published: (2002)

A field guide to western birds : a completely new guide to field marks of all species found in North America west of the 100th meridian and north of Mexico /
by: Peterson, Roger Tory, 1908-1996
Published: (1990)

Peterson field guide to birds of western North America /
by: Peterson, Roger Tory, 1908-1996
Published: (2020)

Peterson field guide to birds of Western North America /
by: Peterson, Roger Tory, 1908-1996
Published: (2010)

National Geographic field guide to the birds of western North America /
Published: (2008)

Western bird guide ; birds of the Rockies and west to the Pacific /
by: Reed, Charles K. (Charles Keller), 1851-1921
Published: (1923)

Birds of field and shore : grassland and shoreline birds of eastern North America /
by: Eastman, John (John Andrew)
Published: (2000)

Birds of forest, yard, and thicket /
by: Eastman, John (John Andrew)
Published: (1997)

Birds of the Gulf Coast /
by: Miller, Brian K. (Brian Keith), 1962-
Published: (2001)

Birds of Eastern North America : a photographic guide /
by: Sterry, Paul
Published: (2009)

Birds of the Midwest : classified by color and habit /
by: Lange, D. (Dietrich), 1863-1940
Published: (1939)

National Geographic field guide to the birds of eastern North America /
Published: (2008)

Eastern birds /
by: Farrand, John
Published: (1988)

Fifty common birds of the upper Midwest /
by: Gardner, Dana
Published: (2006)

Observations of marine birds and mammals in the northern Chesapeake bight /
by: Rowlett, Richard A.
Published: (1980)

The Crossley ID guide /
by: Crossley, Richard
Published: (2011)

Birds of the West Coast /
by: Lansdowne, J. Fenwick (James Fenwick), 1937-2008
Published: (1976)

Seawatch : Eastern waterbirds in flight /
by: Behrens, Ken
Published: (2013)