RTH 1963 C. burdii 16 June Barrow, Alaska To The side - perhaps - An encounter Could still cause vent / the wrong Lining (?). The bird then went into An aerial display itself & chased An other bird. 17 June - Another molting $ - who was Starting to lay eggs. Her incubation patches were more developed & brood if any had been seen previously. No sep 1 old cell. Follicles could be found. 20 June Several displaying male BACs. One was located - on a natural bird mud - due south! Bacs - with 2 eggs & absent trees - only flew up a fluttering wing flung around in the wind To the nest as I looked at it - 20 June or where note typed 1 burdii at the nest. 21 June One heard a cussa plat at Shovail (see Southend). 22 June 3B raised wing to vertical (slight droop at Tip), coelutail (at least partly) & gave even flee - when disturbed by me near or gauge. One is also done when another BS U nearby & may incipient precopulatory display.