Diving ducks of North America having a bluish-grey bill.
1 In flight, the dark wings are different from the white-edged wings of scaup .
2 Greater scaup prefer large open water areas; lesser scaup often use marshes and ponds.
3 Except for the wing marks, greater and lesser scaup appear nearly identical in the field.
4 Glen Coe is an uncommon high, weather-glim scaup o land in the north of Argyll, no far frae Fort William.
5 American scaup duck, woodcock, ruffed grouse, wild turkey, pileated woodpecker, parrakeet, white-necked raven, American raven (all Prof. L.L.
6 On the water, body size and head shape distinguish them from scaups and redheads.
7 Similar in appearance to scaups , but more often found in fresh marshes and wooded ponds.
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