Cooper's Hawk

Accipiter cooperii


About the Author(s)

Welcome to the Birds of North America Online!

You are currently viewing one of the free species accounts available in our complimentary tour of Birds of North America. In this courtesy review, you can access all the life history articles and the multimedia galleries associated with this species.

For complete access to all species accounts, a subscription is required.

Subscribe Now

Already a subscriber? Sign In

Robert N. Rosenfield is a Professor of Biology at the University of Wisconsin at Stevens Point. He received a B.Sc. in Wildlife Biology (1979) and a M.Sc. in Natural Resources (1983) from the University of Wisconsin at Stevens Point. He received his Ph.D. in Zoology (1990) from North Dakota State University. His past research includes population, behavioral, and molecular ecology of the Cooper's Hawk, banding studies of fall migrant raptors, food habits and population ecology of the Peregrine Falcon in West Greenland, and habitat ecology of breeding songbirds. He and others have have collaborated for 40 years on studies of the breeding ecology of the Cooper's Hawk in Wisconsin, in addition to biogeographic work on Cooper's Hawks in North Dakota and British Columbia. E-mail:

Kristin K. Madden has been an avian biologist and wildlife rehabilitator, specializing in raptors, for over 20 years. She currently serves as Deputy Chief, Division of Migratory Birds in the U.S. Fish and Wildlife Service, Southwest Region. Kristin is the former Bird Program Manager and Migratory Game Bird Biologist for the New Mexico Department of Game and Fish. Her master’s degree (wildlife biology) research focused on nest site defense in Cooper’s Hawks in Albuquerque, New Mexico, a project that has evolved into several projects for a variety of researchers and continues today. E-mail:

John Bielefeldt (1945–2011) was a Wisconsin native and received a B.Sc. from the University of Wisconsin at Madison. He worked as a free-lance editor and as a biologist in park planning for county government at Racine, Wisconsin. He studied biogeographic effects and avian habitat use in conifer plantations, conducted multi-year research on the Acadian Flycatcher and Hooded Warbler in southeastern Wisconsin, and conducted field studies with RNR for over 30 years on Wisconsin's breeding Cooper's Hawks. His multi-decadal service on behalf of the Wisconsin Society for Ornithology earned him their prestigious Silver Passenger Pigeon Award (1988).

Odette E. Curtis received a B-Tech Degree in Nature Conservation (2002) at the Cape Technikon, South Africa and a M.Sc. in Zoology (2005) at the University of Cape Town, South Africa. Her research has focused on the effects of habitat fragmentation on the Black Harrier in the Western Cape, South Africa, as well as the responses of the Black Sparrowhawk to man-altered environments in Cape Town, South Africa. She was a Leadership Intern at Hawk Mountain Sanctuary when working on the first revision of this species account (2006). Her current address is FitzPatrick Institute of African Ornithology at the University of Cape Town. E-mail:

Recommended Citation

Rosenfield, R. N., K. K. Madden, J. Bielefeldt, and O. E. Curtis (2019). Cooper's Hawk (Accipiter cooperii), version 3.0. In The Birds of North America (P. G. Rodewald, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA.