A determination of the economic status of the western meadow-lark (Sturnella neglecta) in California.

Impacts of oil and gas development on wintering grassland birds at Padre Island National Seashore, Texas /
by: Lawson, Ardath L.
Published: (2010)

Habits and food of the roadrunner in California.
by: Bryant, H. C. (Harold Child), 1886-1968
Published: (1916)

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

Birds of the Southern California deserts /
by: Willett, George, 1879-1945
Published: (1951)

An analysis of the distribution of the birds of California.
by: Miller, Alden H. (Alden Holmes), 1906-1965
Published: (1951)

Botanica neglecta /
by: Young, William, -1785
Published: (1916)

Distribution and variation of the horned larks (Otocoris alpestris) of western North America.
by: Behle, William H. (William Harroun), 1909-2009
Published: (1942)

Relationships and evolution of flamingos (Aves, Phoenicopteridae) /
by: Olson, Storrs L.
Published: (1980)

Untersuchungen zur Morphologie und Systematik der Vogel : zugleich ein Beitrag zur Anatomie der Stutz- und Bewegungsorgane /
by: Fürbringer, Maximilian, 1846-1920
Published: (1888)

Birds of western China obtained by the Kelley-Roosevelts expedition /
by: Bangs, Outram, 1862-1932
Published: (1932)

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

The subspecies of Chlidonias hybridus (Pallas) : their breeding distribution and migrations (Aves, Laridae, Sterninae) /
by: Mees, G. F.
Published: (1977)

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

A further contribution to our oological knowledge of the island of Java (Indonesia) /
by: Hellebrekers, W. Ph. J.
Published: (1967)

Breeding-bird populations in jack pine and mixed jack pine/deciduous stands in central Ontario /
by: James, Ross D., 1943-
Published: (1995)

A further contribution to knowledge of the host relations of the parasitic cowbirds /
by: Friedmann, Herbert, 1900-1987
Published: (1977)

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

A revision of the mascarene white-eye : Zosterops borbonica (Aves) /
by: Storer, Robert W., 1914-
Published: (1966)

Lark bunting : Calamospiza melanocorys /
by: Shane, Thomas Gregory
Published: (2000)

The nature of the red, yellow, and orange pigments in woodpeckers of the genus Colaptes.
by: Test, Frederick Harold, 1912-
Published: (1942)

Relationships of the cathartid vultures /
by: Ligon, James David, 1939-
Published: (1967)

Species limits in the indigobirds (Ploceidae, Vidua) of West Africa : mouth mimicry, song mimicry, and description of new species /
by: Payne, Robert B.
Published: (1982)

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)

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

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

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

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

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

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

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

A systematic review of the Indo-Australian Zosteropidae.
by: Mees, G. F.
Published: (1957)

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

The relationships of the Pedionomidae (Aves : Charadriiformes) /
by: Olson, Storrs L.
Published: (1981)

Three new birds from West Africa /
by: Rand, Austin Loomer, 1905-1982
Published: (1959)

Evolution of diving adaptations in the stifftail ducks /
by: Raikow, Robert J.
Published: (1970)