Holmes,R. 1960 2. Erolia alpina 31 may Barrow, Alaska usually associated with the aerial display. This did not occur when the low individuals were displaying. The major activity of all three birds was feeding. Several times, the birds came into contact with [illegible], but they usually stagger aside that the [illegible] go his own way. 1 june Barrow, Alaska One heard displaying west of the southeast 1/2 Footprint Lake. No others were noted in that area or farther south along the west side of Skovavik. One was seen displaying this evening on the west shore of Olson Lagoon, south 1/4 mile. A [illegible] possibly this one, was co-located in the same area one-half hour later. The display consisted of a flight to 30 to 50 feet and hovered in that position for 50 sec. During this time there were several drops in altitude and, but, regain them. The bird won the typical churning with a more mescal full as it descended. The wings were beat regardless of speed. There would be 8-10 beats for the horizontal down to approximately the 135°. [illegible] , [illegible]