An analysis of the distribution of the birds of California.

Common birds of the Los Angeles County coast /
by: Willett, George, 1879-1945
Published: (1942)

A determination of the economic status of the western meadow-lark (Sturnella neglecta) in California.
by: Bryant, H. C. (Harold Child), 1886-1968
Published: (1914)

The distribution of the birds of California /
by: Grinnell, Joseph, 1877-1939
Published: (1944)

Common birds of the Los Angeles County mountains /
by: Willett, George, 1879-1945
Published: (1942)

Birds in relation to a grasshopper outbreak in California.
by: Bryant, H. C. (Harold Child), 1886-1968
Published: (1912)

Water birds of California /
by: Cogswell, Howard L.
Published: (1977)

The subspecies of the mountain chickadee.
by: Grinnell, Joseph, 1877-1939
Published: (1918)

The passerine remains from Rancho La Brea in the paleontological collections of the University of California.
by: Miller, Alden H. (Alden Holmes), 1906-1965
Published: (1929)

Handbook of California birds /
by: Brown, Vinson, 1912-1991
Published: (1973)

Days with birds : studies of habits of some East African species /
by: Van Someren, Victor Gurnet Logan
Published: (1956)

The birds of Chile /
by: Hellmayr, C. E. (Carl Eduard)
Published: (1932)

California birds : their status and distribution /
by: Small, Arnold
Published: (1994)

The birds of California /
by: Small, Arnold
Published: (1974)

The birds of El Salvador /
by: Dickey, Donald R. (Donald Ryder), 1887-1932
Published: (1938)

Birds of northeastern Peru.
by: Traylor, Melvin A. (Melvin Alvah), 1915-2008
Published: (1958)

Notes on Paraguayan birds /
by: Storer, Robert W., 1914-
Published: (1989)

Handbook of California birds /
by: Brown, Vinson, 1912-1991
Published: (1965)

Bird study for California schools /
by: Libby, Gretchen L.
Published: (1928)

Adaptive modifications for tree-trunk foraging in birds.
by: Richardson, Frank, 1913-
Published: (1942)

Social feeding behavior of birds.
by: Rand, Austin Loomer, 1905-1982
Published: (1954)

Birds from the lowlands of southern New Guinea (Merauke and Koembe) /
by: Mees, G. F.
Published: (1982)

Wild birds of California /
by: Lukas, David, 1964-
Published: (2000)

Birds from Liberia : with a discussion of barriers between Upper and Lower Guinea subspecies.
by: Rand, Austin Loomer, 1905-1982
Published: (1951)

Two new species of the protozoan genus Ephelota from Monterey Bay, California.
by: Noble, Alden Earl, 1899-
Published: (1929)

The birds of California ; a complete, scientific and popular account of the 580 species and subspecies of birds found in the state /
by: Dawson, William Leon, 1873-1928
Published: (1923)

The birds of California : a complete, scientific and popular account of the 580 species and subspecies of birds found in the state /
by: Dawson, William Leon, 1873-1928
Published: (1923)

The birds of California : a complete, scientific and popular account of the 580 species and subspecies of birds found in the state /
by: Dawson, William Leon, 1873-1928
Published: (1923)

The birds of Mt. Isarog National Park, Southern Luzon, Philippines, with particular reference to altitudinal distribution /
by: Goodman, Steven M.
Published: (1990)

Descriptions of five new Indo-Chinese birds /
by: Bangs, Outram, 1862-1932
Published: (1930)

Birds of the Acary Mountains, southern British Guiana.
by: Blake, Emmet Reid, 1908-1997
Published: (1950)

Three new birds from the Philippine Islands /
by: Rand, Austin Loomer, 1905-1982
Published: (1959)

Catalogue of birds of the Americas and the adjacent islands : in Field museum of natural history /
Published: (1918)

Birds from the Yucatan peninsula /
by: Traylor, Melvin A. (Melvin Alvah), 1915-2008
Published: (1941)

Game birds of northwestern Venezuela /
by: Osgood, Wilfred Hudson, 1875-1947
Published: (1922)

An analysis of the distribution of pocket gopher species in northeastern California (genus Thomomys) /
by: Thaeler, Charles S.
Published: (1968)

California state bird candidates /
by: Myers, Harriet Williams, 1867-
Published: (1929)