Beaver 1967 species account Calidris pusillas Semi-fabricated sandpiper 1 13 June Area about 1/8mi S. of Barros camp, many trash piles and barrels, 9ft elevation, Alaska. 0940 Lin near a large pipe (gas?) and also a Telephone wire (East of me about 100 ft.). Two sandpipers just flew over me and lited by a small pond. I identified them as Semi-fabricated Sandpipers. One bird took off giving a "hum" call and the other followed. The chased(?) cock other in large erratic flight paths going as high as 75 ft (estimated visually) and as low as 4 or 5" from the ground. 15 June 0915 In barrel area with Karl and saw 2 C. pusillas. One bird (?) flew up in the air with shallow wing beats while giving a continuous "froz" or "fwee" like call. The bird hovered into the wind and gave the call continuously for at least 30 sec. before descending to the other bird which had do[illegible] nothing during this time. When The male approached the second bird, it crouched and ran toward the bird, which assumed a similar posture and then backed off. The other appeared to attack the other bird by pecking and beating it with its wings. Both birds continued in this behavior across theundra until one of the bird flew. The behavior of the