R.B. Hamilton 1965 Calidris acuminata Aug 11 Cape Thompson - A bird believed to belong to this species was seen in the grassy marsh on the S side of the creek. The bird acted skittish like a rail staying behind grass and being reluctant to flush. It looked somewhat like a Pectoral Sandpiper but was heavily marked underwings. Aug 14. A bird believed to belong to this species was again seen in the marsh to the S of the creek. Aug 15 Barrow Alaska - 15 Birds which looked like this species were observed in Minikin Marsh. Several of the birds were closely banded with the 75's. Three of the darker banded birds were collected and appeared to be immature Pectoral Sandpipers. Aug 16 Seventy-five birds which looked like this species were observed. Aug 17. One hundred and fifty birds that looked like this species were observed today. I'm suspicious at the numbers that I'm seeing Aug 18 Dr. Pitiller said that the birds collected were Pectoral Sandpipers. We went into the field and saw a bird that was browner than the others. Dr. Pitiller thought it might belong to this species.