The common hawks and owls of California from the standpoint of the rancher /
By: Dixon, Joseph S. (Joseph Scattergood),
Publication info: Berkeley, Calif. :University of California, College of Agriculture, Agricultural Experiment Station,1922.
Contributed by: University of California, Davis Libraries (archive.org)
Subjects: Agricultural pests Beneficial birds Bird pests California Hawks Owls
Ferruginous hawk (Buteo regalis) inventories on the Dillon Resource Area of southwest Montana; 1992 / by Eric C. Atkinson for the Bureau of Land Management, Dillon Resource Area.
By: Atkinson, Eric C. - Montana Natural Heritage Program. - United States. Bureau of Land Management.
Publication info: Helena, MT :Montana Natural Heritage Program,
Contributed by: Montana State Library (archive.org)
Subjects: Beaverhead County Ferruginous hawk Hawks Madison County Montana
The hawks and owls of Ontario /
By: Snyder, L. L. (Lester Lynne), - Shortt, T. M.
Edition: Rev. ed.
Publication info: [Toronto] :Royal Ontario Museum of Zoology,1947.
Contributed by: Royal Ontario Museum (archive.org)
Subjects: Birds Hawks Ontario Owls
The hawks and owls of the United States in their relation to agriculture ... By A. K. Fisher ...
By: Fisher, A. K. (Albert Kenrick),
Publication info: Washington,Govt. Print. Off.,1893.
Contributed by: Multiple institutions
Subjects: Birds Hawks Owls United States
Hawks and owls: population trends from Illinois Christmas counts / Richard R. Graber [and] Jack S. Golden.
By: Graber, Richard Rex. - Golden, Jack S.
Publication info: Urbana :1960.
Contributed by: University Library, University of Illinois Urbana Champaign
Subjects: Birds Hawks Illinois Owls
The hawks of the Canadian prairie provinces in their relation to agriculture, by P. A. Taverner.
By: Taverner, P. A. (Percy Algernon),
Publication info: Ottawa :Government Printing Bureau,1918.
Contributed by: University of California Libraries (archive.org)
Subjects: Birds Canada Hawks
Notes on some neotropical hawks [by] Boardman Conover.
By: Conover, Henry Boardman,
Publication info: [Chicago]1946.
Contributed by: Field Museum of Natural History Library
BHL Collections: Field Museum Library
Our birds of prey, or, The eagles, hawks, and owls of Canada by Henry G. Vennor ; with 30 photographic illustrations by Wm. Notman.
By: Vennor, Henry G.
Publication info: Montreal :Dawson,1876.
Contributed by: Canadiana.org (archive.org)
Subjects: Birds of prey Canada Eagles Hawks Owls