Mangoverde :: World Bird Guide :: Ducks, Geese and Swans :: Lesser Scaup
Lesser Scaup Aythya affinis
Described by: Eyton (1838)
Alternate common name(s): Little Bluebill
Old scientific name(s): None known by website authors
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RangeNw. to nc. North America;
C. Alaska across n. Canada (c. Yukon, nw. and s. Mackenzie, n. Manitoba (Hudson Bay), w. and s. Ontario, wc. Quebec) s. in the United States to Washington, c. and ne. California, s. Idaho and ne. Colorado, c. Nebraska and Iowa. An isolated population occurs in c. Nebraska, Iowa, on the Great Lakes of n. Illinois to n. Ohio.
Winters s. from the Great Lakes (Lake St. Clair and w. Lake Erie) and along the Atlantic and Pacific coasts and in the Mississippi Valley to the s. United States, Bermuda, the West Indies (Bahamas and Greater Antilles), and through Central America from Mexico to Costa Rica, Panama (Canal Zone, Lake Madden, Lake Gatun and the Chagres River above Gamboa), n. Colombia, n. Venezuela (Falcon, Aragua, Miranda, Monagas and Margarita Is.), Trinidad, Tobago, Surinam, w. Ecuador, and Hawaiian Is.
North America n. of the Mexican border;
Summer: c. ALK, YUK, c. MAC, c. BCO, ALB, SAS, MAN, ex. w. ONT s. in MON, s. IDH, nc. and sc. WAS, c. ORG, ex. n. CAL, n. NEV (Ruby Lake), n. UTH, WYO, n., nc. and s. COL, ex. w. NEB, c. NDK, ne. SDK, and ex. nw. MIN. Small isolated population in nw. QUE. (Moar Bay region).
Winter: ex. sw. BCO, w. WAS, w. ORG, w. CAL, s. NEV, c. UTH, ARZ, c. NMX, TEX, OKA, se. KAN, c. MOU, ARK, LOU, s. and e. ILL, ex. se. WIS, IND, ex. s. MIC, OHO (s. Great Lakes on Lake Erie), w. KTY, w. TEN, MIS, ALB, ex. s. ONT, PEN, s. NYK, CON, RID, s. MAS, NJY, DEL, MYD, WVA, VIR, NCA, SCA, GEO, FLA;
Miami Whitewater County Park, Hamilton County, Ohio, USA - Mar 24, 2002 Source: William Hull
Description: Male and female swimming.
No sounds are available for this species
Clements, James F. Birds of the World: A Checklist. Vista, CA: Ibis Publishing Company, 2000.
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