Machea 1968 C. alpina (4 June) to disperse. there were more birds than the area will support. On the other arm of the ridge things looked more stable: birds well spaced out and less activity. Did see a group of 3-looked like 1 ♂ with 2 ♀♀. ♂ was closely associated with 1 of the ♀♀. Left her to make an aggressive approach toward the other ♀. She did not respond, so he gave up and went back to feeding. In the evening went to exposed area Footprint lake near the gaswell buildings. There found a very active flock of 25-30 birds - newly arrived. Birds were chasing about, but little vocalization or evidence of pairing. 5 June Looked at stomachs of alpine killed by Pitelka yesterday: 2 ♀♀ too Lemmus bones and teeth in stomach; none in ♂ !! 6 June Drove to Skroawik. Just as we approached the plot saw 2 ♂♂ in a territorial encounter on the snow, ca. 12 m. from nearest exposed patch. Most of the plot is snow covered, so they don't have much to fight over. We put the wanigan on the one large exposed area. There seems to be a pair associated with this area; other birds -