Two scaup species live in North America: the Greater Scaup prefers salt water and is found in America and Eurasia, while the Lesser Scaup prefers freshwater and is found...
The lesser scaup (Aythya affinis) is a small North American diving duck that
migrates south as far as Central America in winter. It is colloquially known as the
Description: Lesser and greater scaup are often found together. The smaller size
of the lesser scaup is very obvious. Lesser scaup also have a smaller, ...
Overlaps extensively with Greater Scaup, especially in winter, but at that season
the Lesser is far more likely to be found on freshwater lakes and ponds well ...
The rump, tail and undertail coverts are black. These ducks have an extensive North American range, which in summer includes Alaska and all of Canada, as well as northern regions of Idaho, Montana, North Dakota and Colorado. When birding in parks, dogs should be kept ... More »
The Lesser Scaup is one of the most abundant diving ducks in the Northwest.
Male Lesser Scaups have white flanks, black rumps and breasts, and lined gray ...
One of the most abundant and widespread of North American ducks, the lesser
scaup (Aythya affinis) is a medium-sized, black and white diving duck with a ...
Images B and C show the typical Lesser Scaup head shape with pointed rear
crown and how head color can vary from purple to green gloss depending on ...
Lesser Scaup: Medium-sized diving duck has finely barred gray back and gray-
washed white underparts. Head, neck and breast are black with purple gloss.
Lesser scaup are medium-sized diving ducks. Males are slightly larger than
females. Males and females have different feather colors throughout most of the