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276 THOMAS H. POGSON AND SUSAN M. LINDSTEDT <br /> ALAS <br /> (YA�ti ❑WINTERING AREAS <br /> A <br /> • NESTING AREAS <br /> ? NESTING UNCONFIRMED <br /> _ A BREEDING SEASON <br /> oueen CPorlofte 1+ SPECIMENS <br /> Islands (7 • * • • Williams Lake <br /> \° °/ • �. <br /> BRITISH COLUMBIA •�' �• •, CANADA <br /> I <br /> p KomI0op5 <br /> ° <br /> Voncouver Islan ° <br /> d 1 <br /> o'Spokone _ <br /> WASHINGTON i 1 <br /> Portland o'°-'`' o r' <br /> • <br /> OREGON va •°o *ns •' <br /> ° <br /> J__ UNITED _ <br /> i i i � i i •— Alturos <br /> 0 300 600 km QUI I STATES <br /> Sacramento 1 �- <br /> CALIFORNIA \r <br /> i 1 <br /> � <br /> .- MEXICO <br /> NORT AMERICA <br /> FIGURE 3. Distribution of the Central Valley Population ofSandhill Cranes in the Pacific States and British <br /> Columbia. <br /> Pogson, unpubl. data). Because a much larger ence between the 6,012-6,810 cranes we esti- <br /> number of cranes had been banded at Malheur mated when present <br /> etintho Central alley SSi3 canes <br /> NW R than at Sycan Marsh, there was a dispro- <br /> portionately large number of banded birds ob- estimated <br /> in the <br /> Thompson <br /> d early 1970s(Lit- <br /> served at Thornton (Table 2). tlefield <br /> Sightings of banded cranes from Malheur NW R <br /> STATUS OF THE POPULATION near Kamloops in southern British Columbia. <br /> Stern et al.(1987)found that the number of cranes and near Williams Confirm ke in the centralpan <br /> [o�t1II- <br /> spending the summer in Oregon in 1986 was province (Fig. ), <br /> unchanged from the early 1970s. Between 1971 tenor British Columbia use an inland migration <br /> and 1988 the number of cranes breeding in route, and indicate that these interior cranes be- <br /> northeastern California increased from 224 to long to the Central Valley Population(T. Pogson, <br /> 340 (5200) (Littlefield 1989); this increase ac- unpubl.data).The difference between the — <br /> counts for only a small percentage of the differ- 6,852 large cranes we found in California's <br /> Cen- <br /> VI-136 <br />