Holmes,R 1962 38. Erolia alpina 4 July Barrow, Alaska Nest #2 checked - a bird flew off when I was 40' away, flew low over the Tundra, landing 25' away - giving the nasal-trilled alarm not rat, rat, rat - when can begive - several pitches - sometimes as high as a sound like yel, yel, yuak. - They usually come in 3's but occasionally sequence up to 6+7 were heard. Suddenly a group of 8 birds were present - They may have been a flock or neighbor pairs & soon lost and / disappeared but - since they were surrounded by these birds. One & - suddenly began to give a distraction display - with wing spread, out too to the side & moving away from me - slowly. A 8 next to be - trilled - lifted head + both wing-tail in about normal position - trilled again & walked behind this displaying bird. Suddenly another 8 nearby raised one wing (not quite - most) toward the other displaying individuals - but its feet was partially lowered & pectoral slightly spread - The head look held low - beak trilled moved forward to apparent courting best info