Species relationships in the avian genus Aimophila /

North American birds of prey /
by: Mansell, William, 1908-
Published: (1980)

A field guide to hawks of North America /
by: Clark, William S., 1937-
Published: (1987)

Hawks in flight : the flight identification of North American migrant raptors /
by: Dunne, Pete, 1951-
Published: (1988)

Life histories of North American shore birds.
by: Bent, Arthur Cleveland, 1866-1954
Published: (1970)

Life histories of North American birds of prey.
by: Bent, Arthur Cleveland, 1866-1954
Published: (1970)

Raptors of North America : natural history and conservation /
by: Snyder, Noel F. R.
Published: (2006)

Guide to owl watching in North America /
by: Heintzelman, Donald S.
Published: (1984)

A guide to hawk watching in North America /
by: Heintzelman, Donald S.
Published: (1979)

A gathering of shore birds /
by: Hall, Henry Marion, 1877-
Published: (1960)

A gathering of shore birds /
by: Hall, Henry Marion, 1877-
Published: (1960)

Birds of prey of northeastern North America /
by: Hausman, Leon Augustus, 1888-1966
Published: (1948)

North American birds of prey /
by: Sprunt, Alexander, 1898-1973
Published: (1955)

Life histories of North American diving birds ; order Pygopodes.
by: Bent, Arthur Cleveland, 1866-1954
Published: (1946)

The migrations of hawks /
by: Heintzelman, Donald S.
Published: (1986)

Autumn hawk flights ; the migrations in eastern North America /
by: Heintzelman, Donald S.
Published: (1975)

Birds of Central America : Belize, Guatemala, Honduras, El Salvador, Nicaragua, Costa Rica, and Panama /
by: Vallely, A. C. (Andrew C.), et al.
Published: (2018)

Life histories of North American wild fowl.
by: Bent, Arthur Cleveland, 1866-1954
Published: (1970)

Sandhill and whooping cranes : ancient voices over America's wetlands /
by: Johnsgard, Paul A.
Published: (2011)

Sandhill and whooping cranes : ancient voices over America's wetlands /
by: Johnsgard, Paul A.
Published: (2011)

Game birds of North America.
Published: (1952)

Life histories of North American nuthatches, wrens, thrashers, and their allies.
by: Bent, Arthur Cleveland, 1866-1954
Published: (1964)

Life histories of North American nuthatches, wrens, thrashers, and their allies.
by: Bent, Arthur Cleveland, 1866-1954
Published: (1970)

Life histories of North American gallinaceous birds.
by: Bent, Arthur Cleveland, 1866-1954
Published: (1970)

Hummingbirds, their life and behavior : a photographic study of the North American species /
by: Tyrrell, Esther Quesada
Published: (1985)

Appendicular myology and relationships of the New World nine-primaried oscines (Aves: Passeriformes) /
by: Raikow, Robert J.
Published: (1978)

The avian erythrocyte : its phylogenetic odyssey /
by: Glomski, Chester A. (Chester Anthony)
Published: (2011)

Hawks, eagles & falcons of North America : biology and natural history /
by: Johnsgard, Paul A.
Published: (1990)

North American owls : biology and natural history /
by: Johnsgard, Paul A.
Published: (1988)

The owls of North America (north of Mexico) : all the species and subspecies illustrated in color and fully described /
by: Karalus, Karl E.
Published: (1974)

A photographic guide to North American raptors /
by: Wheeler, Brian K., 1955-
Published: (1995)

A synopsis of the birds of North America /
by: Audubon, John James, 1785-1851
Published: (1839)

A synopsis of the birds of North America : By John James Audubon.
by: Audubon, John James, 1785-1851
Published: (1839)

A synopsis of the birds of North America /
by: Audubon, John James, 1785-1851
Published: (1839)

A check list of North American birds /
by: Coues, Elliott, 1842-1899
Published: (1873)

The known birds of North and Middle America : distributions and variation, migrations, changes, hybrids, etc. /
by: Phillips, Allan R.
Published: (1986)

Ducks of North America and the northern hemisphere /
by: Gooders, John
Published: (1986)