region. Chap. 5. in Hickey ed. Peregrine Fal- 

 con populations their biology eind decline. 

 Univ. Wisconsin Press, Madison. 



Enderson, J. H. 1977. Status of the Peregrine Fal- 

 con in the Rocky Mountain Region - 1977. 

 Project Report, World Wildhfe Fund Proj. US- 

 18. U.S. Fish and Wildlife Service Contract 

 14-16-0008-2055. 



Enderson, J. and D. Berger. 1968. Chlorinated hy- 

 drocarbon residues in Peregrines and their 

 prey species from northern Canada. Condor 

 70:149-153. 



Enderson, J. H. and J. Craig. 1974. Status of the 

 Peregrine Falcon in the Rocky Mountains in 

 1973. Auk 91:727-736. 



Fish and Wildlife Service. 1973. Threatened Wild- 

 hfe of the United States, 1973 Edition. U.S. 

 Dept. of the Interior, Resource Pub. 114. 

 GPO, Washington, D.C. 



Forbush, W. H. 1927. Birds of Massachusetts and 

 other New England states. Part II. Mass. Dept. 



Agric. 



Fyfe, R. W., S. A. Temple and T. J. Cade eds. 

 1976. The 1975 North American Peregrine 

 Falcon survey. Canad. Field-Nat. 90:228-273. 



Fyfe, R. 1976. Rationale and success of the Can- 

 adian Wildlife Service Peregrine Breeding 

 Project. Canad. Field-Nat. 90:308-319. 



Gabrielson, 1. N. and S. G. Jewett. 1940. Birds of 

 Oregon. Oregon State College, Corvalis. 



Goss, N. S. 1878. Breeding of the Duck Haw^k in 

 trees. Bull. Nuttall Ornith. Club 3:32-34. 



Grinnell, J. and A. H. Miller, 1944. The distribu- 

 tion of the birds of California. Pac. Coast Avi- 

 fauna 27. 



Groskin, H. 1947. Observations of Duck Hawks 

 nesting on man-made structure. Auk 69:246- 

 253. 



Hagar, J. A. 1969. History of the Massachusetts 

 Peregrine Falcon population 1935-57, Chapt. 

 10 in Hickey, J. J. ed. Peregrine Falcon pop- 

 ulations, their biology and decline. Univ. 

 Wisconsin Press, Madison. 



Herbert, R. A. and K. G. S. Herbert. 1965. Be- 

 havior of Peregrine Falcons in the New York 

 City Region. Auk 82:62-94. 



Herbert, R. A. and K. G. S. Herbert. 1969. The 



extirpation of the Hudson River Peregrine 

 Falcon population Chapt. 11 m J. J. Hickey 

 ed. Peregrine Falcon populations their biology 

 and decline. Univ. Wisconsin Press, Madison. 



Herman, S. G. 1971. The Peregrine decline in Cal- 

 ifornia, II, Breeding status in 1970. Amer. 

 Birds 25:818-820. 



Herman, S. G., M. N. Kirven and R. W. Risebrough. 



1970. The Peregrine Falcon in California 1. A 



preliminary review. Aud. Field Notes 24:609- 



613. 

 Hickey, J. J. 1942. Eastern population of the 



Duck Hawk. Auk 59:176-204. 



Hickey, J. J. ed. 1969. Peregrine Falcon popula- 

 tions, their biology and decline. Univ. Wiscon- 

 sin Press, Madison. 



Hickey, J. J. and D. W. Anderson. 1960. The 

 Peregrine Falcon: life history and population 

 literature. Chapt. 1 in Hickey, J. J. ed. Pere- 

 grine Falcon populations, their biology and 

 decline. Univ. Wisconsin Press, Madison. 



Hickey, J. J. and J. E. Roelle. 1969. Conference 

 summary and conclusions, Chapt. 47 in 

 Hickey, J.J. eo?. Peregrine Falcon populations, 

 their biology and decline. Univ. Wisconsin 

 Press, Madison. 



Hitchcock, M. 1976. A breeding survey of Pere- 

 grine Falcons in the mountains of northern 

 Mexico 1975-76. Report of Chihuahuan Desert 

 Research Institute, Alpine Tex. for U.S. Fish 

 and Wildlife Service and Nat. Audubon Soc. 



Howell, J. C. and M. B. Monroe. 1957. Birds of 

 Knox County. Joum. Tenn. Acad. Sci. Univ. 

 of Tennessee Press, Knoxville. 



Hubbard, J. P. 1970. Checkhst of The Birds of 

 New Mexico. New Mexico Ornithological 

 Society Publication No. 3. 103 pp. 



Hunt, W. G. 1976. The Peregrine Falcon popula- 

 tion in the Chihuahuan Desert and surround- 

 ing mountain ranges: an evaluation through 

 1976. Report of Chihuahuan Desert Research 

 Institute, Alpine, Tex. 



Imhof, T. A. 1962. Alabama Birds. Alabama 

 Dept. Cons., Game & Fish Div. Univ. Alabama 

 Press. 



Jewett, S. G., W. P. Taylor, W. J. Shaw, J. W. 

 Aldrich, 1953. Birds of Washington State. 

 Univ. Wash. Press, Seattle. 



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