Holmes,R 1963 2. C. melanotos 28 may Barrow, Alaska Three 8? seen along bluff between Wohl & coolkpik sloughs - each was displaying - giving full hoots - with what looks like full developed Air sacs. Chases (accompanied by gurgling chase note) were seen + / or heard frequently; Several times, 8? parted, each return to his own area, each performing an aerial flight display, low over the ground. Late, other at least semi-territorial encounters were seen - where during a chase, the chase would sudden swerve off & return to his area, any days to do more chases. :: Signs of area attachment. 18 countably Seen today - only 1& noted this evening. 29 may 10? along no. shunt Wohlschlo, feeders by fallowing at Nsundan of bluff tundra - low polygynous-collected. Two seen along shore / Bism, not Wohlschlo - 6 8? were spaced ~300yrs apart between Wohl & Oo(k)pitz - occasions chases were seen - but very little advertising by hoots + / or flights. 8? either stood a small exposed mound, with chut sagging or fed on the exposed fundera. Several more 8? (I count 2gg) while he started to display to them she took flight & followed (no gurgling chase note given).