Holmes, R. 1959 Erolia alpina 20. 23 August Barrow, Alaska Feathers). The wing molt seems to be nearly complete in all individuals. However the state of body molt is quite variable. Some birds were noted with solid black patches, others with patchy one and still others with 24 August Barrow, Alaska One heard on the east side of the Beach Ridge. 25 August Barrow, Alaska 6 immatures seen in Central Marsh. 26 August Barrow, Alaska Large groups of 20-40 birds were present in footprint lake. About 400 birds ever present at the lake bottom. There were immatures and adults mixed, and all birds were molting then body feather (all stages were again seen). About 1 dozen immatures was present on Central Marsh during the evening.