JPMYERS 1978 Calidris alpina Barrow, North Slope Borough, Alaska 3 June (cont'd) still as 31 May. Also found several flocks running 10-30 birds/flock in an area south of the Waly Post Memorial Airport in town. No display activity. I am impressed by the alpina behavior this year - they are remaining in obvious flocks after arriving far longer than I have ever seen them do. See journal. 4 June p.m. walking w/ McCaffrey on 6010 2. Dunlin actively displaying along Notta Creek. sampling transects found Dunlin distributed widely over Gasline Ridge in active display. they are ranging widely, chasing very far off their territories. Watching individuals I see them more several hundred meters in one direction in a chase with 2 or 3 others. But pairs obviously formed: individuals remaining together, foraging or acting quickly together for 20-30 minutes before one flies off in display. In a number of long distance chases I observed that one, the chaser, was conspicuously changing its feet (yet still flying in chase!). This was the bird that would call, then veer off from the chase in a V during display not until the precreal sandpiper border flash. BF tangling on the ground in border disputes - crouching with heads lowered, backs black streaked, posing tensely a few inches from combatant. Atikaroot on the Mekade, N. Slope Borough, Alaska 17 June see Journal