Holmes, R 1962 Erolia ferruginea 16 June Barrow, Alaska Birds were 50 yards beyond the fudlers bend. On 8 gave the aerial display - minutes introductory notes + terminal whine. They landed near the central area - fled for about 5 minutes & then chased to the north - in calm an erratic flight - finals landing along the bluff - 20 yards N.E. The byl polygons. Pattelka & I returned in the evening - 1 pair (with a light) & was located feeder about 300 yards S. of the central area. Soon after they were located. They took flight - gone N.N.W. - landed near the central location & there was a great flutter 1 wing - behind a polygon - may have been copulated & then they flew off a long distance to the N.W. - beside 200 yards N.E. The byl polygons area. Late day were seen flying west - into the marshy country. The light pair was noted feeding about 100 yards S. of the central area - along the edge of the marsh areas. They kept in a company of 2 Turnstones which had a nest nearly - where are they flew - De Corte Sqr. Flew with them. There 2 - probably 1st year Sqs. - seem to have the Hudson's Bay Pearly cars heard - were call note - at 9:30, not introductor The song - chuk, chuk.