108 CHECK-LIST OF NORTH AMERICAN BIRDS. 
and northern Ungava; winter home unknown, but probably the 
oceans south of the equator; in migration occurs nearly throughout 
the United States and in Mexico, Central America, Bermuda, and 
Hawaii. 
GENUS STEGANOPUS VIEILLOT. 
Steganopus Vin1uuotT, Nouv. Dict. d’Hist. Nat., XXXII, 1819, 136. 
Type, by orig. desig., Steganopus tricolor V1EILLOoT. 
Stegdnopus tricolor VieILLoT. Wilson’s Phalarope. ([224.] 
Steganopus tricolor VirrtuotT, Nouv. Dict. d’Hist. Nat., XXXII, 1819, 
136. (Paraguay.) 
RancE.— North and South America. Breeds from central Wash- 
ington, central Alberta, and Lake Winnipeg south to eastern Califor- 
nia, southern Colorado, southern Kansas, northern Iowa, and north- 
western Indiana; winters from central Chile and central Argentina 
south to Falkland Islands; casual in migration on Pacific coast from 
southern British Columbia to Lower California and on Atlantic coast 
from Maine to New Jersey. 
Famity RECURVIROSTRIDZ. AvoceTsS AND STILTS. 
GENUS RECURVIROSTRA LINN Us. 
Recurvirostra Linnzus, Syst. Nat., ed. 10, I, 1758, 151. Type, by 
monotypy, Recurvirostra avosetta LINNZUS. 
Recurviréstra americana GMELIN. Avocet. [225.] 
Recurvirostra americana GMELIN, Syst. Nat., I, ii, 1789, 693. (North 
America.) 
Rance.— North America. Breeds from eastern Oregon, central 
Alberta, and southern Manitoba (rarely north to Great Slave Lake) 
south to southern California, southern New Mexico, northwestern 
Texas, northern Iowa, and central Wisconsin; winters from southern 
California and southern Texas to southern Guatemala; casual from 
Ontario and New Brunswick to Florida and the West Indies, but rare 
east of Mississippi River. 
