Cogs well 1950 Sitta canadensis 2 June 29 (p.m.) Ice Lakes, 6900 ft. 3 mi. W, 1 mi. S Donner Pass, Placer Co., Calif. - 1 (only) heard in 2+ mile hike thru lodgepole pine - real fir forest around the lakes. June 30. Big Bend Camp Grd. 5800 ft; on E. fork Yuba R. Placer Co., Calif. 2 came (with other birds) to my vocal call imitation in area of tall, dense white fir & Jeffrey pines July 4 near North R.R. Sta. 6500 ft. Placer Co., Calif. - 1 foraging on July 6 trunks of sparse lodgepole pines near border of large open meadow. July 11. A.M. River C. 5 of Ice Lakes (see above) - 2 heard (1 seen) in Jeffrey pine - sugar pine - white fir forest. July 17 Sugar Bowl Lodge & other areas near Donner Pass - July 20 - 1 or 2 found on most of our 2-hour class trips July 21 Yuba Gap, 5800 ft. Nevada Co., Calif. - 1 heard in fir- pine forest by small lake. N. side Bear Valley, 4580 ft. Nevada Co. - 1 in dense yellow pine - incense cedar - black oak forest. July 23 near Star Lake, 9300 ft. Carson Range, Eldorado Co., Calif. - 1 heard & seen in open subalpine "woodland" of mountain hemlock, whitebark pine along Freez Peak trail. late July Sugar Bowl Lodge & vicinity [see above] - 1 to 3 re- corded on most 2-hr trips in forest Aug 3 at least 10 in one flock, in red fir - lodgepole silver pine forest. also about 5 others at different spots. some aggregation (+ influx?) of individuals is shown. Aug. 10 Ice Lakes Camp Grd. 6900 ft [see above] - about 10 heard or seen in 1 1/2 hrs. spent in lodgepole pine - real fir forest.