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268 THOMAS H. POGSON AND SUSAN M. LINDSTEDT <br /> OREGON <br /> CALIFORNIA CENTRAL VALLEY <br /> e <br /> . � I <br /> Red Bluff ' <br /> Large Sandhill Crane <br /> =� <br /> AFTON <br /> cHICO • Wintering Areas <br /> BUTTE SINK <br /> j� SACRAMENTO 0 100 km <br /> OSUMNES L <br /> San THORNTON <br /> Francisco Stockton <br /> MODESTO N <br /> 0 <br /> MERGED NWR\tiF� <br /> Fresno <br /> jPIXLEY NW <br /> g. <br /> o �A 7 _ <br /> Los Angeles <br /> ) a <br /> ./ o <br /> N <br /> U. S. a <br /> EX ICO <br /> FIGURE 1. Wintering areas of Greater Sandhill Cranes in California's Central Valley during 1983-1981 and <br /> 1984-1985. <br /> METHODS <br /> 44 person-days in the field while censusing Pa- <br /> DISTRIBUTION cific Flyway Population Lesser Sandhill Cranes <br /> During the winter of 1982-1983 we conducted (G. c. canadensis) at Thornton. Modesto. Mer- <br /> a postcard questionnaire survey soliciting reports ced,and other regions of the San Joaquin Valley. <br /> of cranes in California's Central Valley from 200 From 23 September 1983 to 27 February 1984 <br /> sources including: biology and wildlife depart- and 19 October 1984 to 2 March 1985, we con- <br /> ments of California colleges and universities, lo- ducted 26,400 km and 19,680 km of roadside <br /> cal chapters of the Audubon Society, the Cali- surveys during 142 and 123 person-days, re- <br /> fornia Department of Fish and Game, and the spectively. During the surveys, we mapped the <br /> U.S.F.W.S. distribution of cranes and conducted counts to <br /> In December 1981, February and October estimate their abundance. We interviewed 169 <br /> 1982, and December 1982-January 1983 we farmers,waterfowl hunters,state and federal game <br /> conducted 6,300 km of roadside surveys during wardens and biologists,and members of the gen- <br /> VI-128 <br />