A guide to hawk watching in North America /

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

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

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

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

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

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

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

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

The study of raptor populations /
by: Johnson, Donald R., 1930-
Published: (1978)

The wind masters : the lives of North American birds of prey /
by: Dunne, Pete, 1951-
Published: (1995)

Birds of prey /
by: Scholz, Floyd
Published: (1993)

How to spot hawks & eagles /
by: Sutton, Clay, 1949-
Published: (1996)

The view from Hawk Mountain /
by: Harwood, Michael
Published: (1973)

Collins guide to the birds of prey of Britain and Europe, North Africa and the Middle East /
by: Gensbl, Benny
Published: (1984)

A manual for bird watching in the Americas /
by: Heintzelman, Donald S.
Published: (1979)

Eagles, hawks, and falcons of the world /
by: Brown, Leslie
Published: (1968)

Bird watching /
Published: (1981)

How to spot an owl /
by: Sutton, Patricia, 1951-
Published: (1994)

The hawks of North America : their field identification and feeding habits /
by: May, John Bichard
Published: (1935)

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

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)

North American ducks, geese, & swans /
by: Heintzelman, Donald S.
Published: (1978)

Raptor watch : a global directory of raptor migration sites /
Published: (2000)

World Conference on Birds of Prey, Vienna, 1-3 October, 1975 : report of proceedings /
Published: (1977)

Proceedings of the North American Hawk Migration Conference, Syracuse, New York, April 18-21, 1974 /
Published: (1975)

Raptor! : a kid's guide to birds of prey /
by: Laubach, Christyna M.
Published: (2002)

Eagles, hawks, and falcons of Australia /
by: Hollands, David, 1933-
Published: (1984)

Birds of prey /
by: Latimer, Jonathan P.
Published: (1999)

The Sibley field guide to birds of eastern North America /
by: Sibley, David, 1961-
Published: (2003)

Raptors : a field guide to survey and monitoring /
by: Hardey, Jon
Published: (2006)

Raptors : a field guide for surveys and monitoring /
by: Hardey, Jon
Published: (2009)

The aerial hunters : birds /
by: Bramwell, Martyn
Published: (1989)

The birdwatcher's companion to North American birdlife /
by: Leahy, Christopher, 1945-
Published: (2004)

Raptors in human landscapes : adaptations to built and cultivated environments /
Published: (1996)

Australian birds of prey : the biology and ecology of raptors /
by: Olsen, Penny, 1949-
Published: (1995)