RTH 1969 C. puellus 2 7 June Barrow, Alaska Several Chasiq 1 displaying in drum area - V chase give - plick, plick... or one long more ssssssssssss - drill-like note - After which when they are set via wide V the bird is gliding. On ground - 1 prep display: - 2 wing wings held up front, tail cocked, not spread <fault second bird, presumably off sun (2' away) They had been feeding together for several min. gave - short drill (mothboat type). The it was one - in stork eg - raised 1 wing vertical, tucked other unusually - lowered tail & normal + pulled for about 250 - 300 + feet - aerial display. 18 June After aerial display - bird landed, kept wings at vertical for 1-2 sec. In display flight - wings are definitely down-curved & quivered in that position. The bird usually gives 8-12 rapid quivers then glides for 1-2 sec - the quiver wings again - usually bi-ke quivering w/ tail, falling slightly (or at the end) to ground. Then to the display set is a gradual descent usually at a 45° or greater. Sometimes climbs to 30' - people then descend. Q. In case - on land gave an uneven flight in