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OVERVIEW REFERENCES
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Godfrey, W.E. 1986. The birds of Canada,
revised edition. National Museums of Canada, Ottawa, Ontario. 595pp.
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Lowther, P.E., and C.T.
Collins. 2002. Black Swift (Cypseloides niger). In The
Birds of North America, No. 676 (A. Poole and F. Gill, eds.). The Birds
of North America, Inc., Philadelphia, PA.
FIELD GUIDES
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National Geographic Society. 1999. Field guide to the
birds of North America (third edition). National Geographic Society, Washington,
D.C. 480pp.
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Sibley, D.A. 2000. National Audubon Society the Sibley
guide to birds. Alfred A. Knopf, New York, NY.
REGIONAL REFERENCES
BRITISH COLUMBIA
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Campbell, R.W., N.K. Dawe, I. McTaggart-Cowan, J.M. Cooper, G.W.
Kaiser, and M.C.E. McNall. 1990. The birds of British Columbia - volume 2:
nonpasserines - diurnal birds of prey through woodpeckers. Royal British Columbia
Museum, Victoria and Canadian Wildlife Service, Delta. 636 pp.
OREGON
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Combs, Barbara. 2003. Black
Swift.
Pp. 334-336 in Birds of Oregon: A General Reference. David B. Marshall,
Matthew G. Hunter, and Alan L. Contreras, Eds. Oregon State University
Press, Corvallis, OR.
WASHINGTON
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Smith, M. R., P. W.
Mattocks, Jr., and K. M. Cassidy. 1997. Breeding Birds of Washington State.
Volume 4 in Washington State Gap Analysis – Final Report (K. M. Cassidy, C. E.
Grue, M. R. Smith, and K. M. Dvornich, eds.). Seattle Audubon Society
Publications in Zoology No. 1, Seattle, 538pp.
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