. The Canadian field-naturalist. 1973 HoEFs: Birds of the Kluane Game Sanctuary 351. Figure 4. Male Rock Ptarmigan in subalpine shrub zone of Burwash Uplands. »^:b*« Figure 5. White-tailed Ptarmigan in alpine boulder field on north slope of Sheep Mountain. Semipalmated Plover. Charadrius semipalmatus. Common; +. Killdeer. Charadrius vociferus. Four were observed at the Duke River Delta on May 30, 1970. Two indi- viduals, first observed in the same area on May 15, 1971, were seen several times till late June. Their behavior suggested breeding. Five were observed on June 8, 1972, near Cultus Bay
. The Canadian field-naturalist. 1973 HoEFs: Birds of the Kluane Game Sanctuary 351. Figure 4. Male Rock Ptarmigan in subalpine shrub zone of Burwash Uplands. »^:b*« Figure 5. White-tailed Ptarmigan in alpine boulder field on north slope of Sheep Mountain. Semipalmated Plover. Charadrius semipalmatus. Common; +. Killdeer. Charadrius vociferus. Four were observed at the Duke River Delta on May 30, 1970. Two indi- viduals, first observed in the same area on May 15, 1971, were seen several times till late June. Their behavior suggested breeding. Five were observed on June 8, 1972, near Cultus Bay, southeastern Kluane Lake. One of these was entirely white except for a faint grayish indication of the neck bands. Two were seen in the Koidern River area on June 21, 1972. Mike Williams, Mile 1054 Alaska Highway, told me that he accidentally killed two Killdeer chicks at the south end of Kluane Lake some years ago. It appears that the Killdeer has become established in the Kluane area only recently. American Golden Plover. Pluvialis dominica. Occa- sional; -|-. Common Snipe. Capella gallinago. Occasional; (-f). Whimbrel. Numenius phaeopus. One was seen at a pond in the Slims River floodplain on June 20, 1971. A group accompanying Mr. Oosenbrug, University of Waterloo, on a caribou survey, discovered a large concentration area on the "Burwash Uplands" on June 14, 1973. The "Burwash Uplands" are an extensive sub-alpine plateau with many wet sedge meadows, where at least a dozen Whimbrels were found. It is assumed that they breed in this area. On this plateau we also found many American Golden Plovers and two nests with four eggs each, and many pairs of Smith's Longspurs, presumably also breeding in this area. Upland Plover. Bartramia longicaiida. Common; +. Spotted Sandpiper. Actitis macularia. Common; -f. Solitary Sandpiper. Tringa solitaria. Frequent; -f. Wandering Tattler. Heteroscelus incanum. One was observed by Ken Summers at the headwaters of Quill
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