Main 1961 Catharacta maccormicki Jan20 Arrived 1:43 31 Paired w chick. 206 Thumbed almost present + chick. A second Ad. with 31 is I believe the RC? of 206. 205 present near nest site. Their chick 30 yds off. 301 percent also pair (2) present seen their chick. In 204 present + chick. Shortly after I arrived chick 31 There was a mass of krill. One adult ate it down when shortly after he threw up more the other adult came over with intentions of eating it but first adult bolted it instead. 1:56 Both 31 adults announce low flying (15') show. 1:58 31 chick + Marked 206 announce & papang show. Ad in challenge. Chick in chick challenge 1e to wings folded. 2:00 Strange pair landed near 204 both challenging then stood. One withdrew flew after a minute so. Other remained a couple minutes then also flew. There was no other challenge though one gave several bill down display. 2:05 Low show 206 Ad, 31 chick + 2nd Ad in challenge. 2:23 First one then second 31 Ad flew off + landed 30ft S. Chick is over near 206. Circle challenge 2:30 31 Chick challenges low flying show 2:32 One of 31 Ad left within last 2 minutes. 2:52 Left. 31 Ad had walled back to nest area. 206 hunt krill 5 minutes then