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r • <br />Hicke J. J. P r r' 1 <br />y, 1969. a eg ine falcon popu ations; their <br />biology and decline. Univ. of Wisc. Press, Madison. 596 pp. <br />Porter, R. D. and C. M. White. 1973. The peregrine falcon in <br />Utah, emphasizing ecology and competition with the prairie <br />falcon. B.Y.U. Science Bull., Biol. Ser., 18: 1-74. <br />Ratcliffe, D. A. 1958. Broken eggs in peregrine eyries. <br />British birds 51: 23-26. <br />Ratcliffe, D. A. 1969. Population trends in the peregrine falcon <br />in Great Britain in Hickey, J. J. (ed.). Peregrine falcon <br />Populations. Univ. of Wisc. Press, Madison. 596 pp. <br />Snow, C. 1972. American peregrine falcon (Falco peregrinus <br />anatum) and Artic peregrine falcon (Falco peregrinus tundrius). <br />Report No. 1, Habitat Management Series for Endangered <br />Species. U. S. Dept. of the Int., BLM., Portland, Oregon 35. <br />Prepared by: Gerald R. Craig <br />Raptor Management Specialist <br />Colorado Division of Wildlife <br />-43- <br />