Maclean 1968 C. melanotos 10 June) acting territorial - resting on a small mound, then displaying over a very large area. Collected this, too - 8H 881. It weighed 94.4g - more, but still very light. 2 June Just across Wohlslag - found a pair - ♂ supervising an actively feeding ♀. Collected both - 8H 885, 886. ♂ - 100.0 g. Later took another ♂ that was settled, but not displaying, and no ♀. This one - ♂ 887 - very light - 88.2g. Birds on Elson Bluffs were acting as if dispersing - some chasing about and hooting, but no evident boundaries, and no ♀♀ in sight. This kind of behaviour, however, comes cheap to the pectoral. 13 June Looking still more encouraging. territorial bulls by the N. end of III A and again No. 8 of IV A; others scattered regularly around the area. 15 June The snow turned to slush today. On a slightly raised portion of Central Marsh (i.e. - S.E. and S.W. today) found a loose group of 25 to 30 birds, including ca. 10 ♀♀. Birds were feeding - mainly along the edge of the deeper water, although this was not a true pond and there was no apparent difference in vegetation, etc. of the feeding sites. In fact, the marsh was draining, so the edge of this temporary lake must have been