Anguilla, Antigua and Barbuda, Argentina, Aruba, Bahamas, Barbados, Belize, Bermuda, Bolivia, Brazil, Canada, Cayman Islands, Chile, Colombia, Costa Rica, Cuba, Dominica, Dominican Republic, Ecuador, El Salvador, French Guiana, Grenada, Guadeloupe, Guatemala, Guyana, Haiti, Honduras, Jamaica, Martinique, Mexico, Montserrat, Netherlands Antilles, Nicaragua, Panama, Paraguay, Peru, Puerto Rico, St Kitts and Nevis, St Lucia, St Pierre and Miquelon (P), St Vincent and The Grenadines, Suriname, Trinidad and Tobago, Turks and Caicos Islands, Uruguay (NB), USA (B), Venezuela, Virgin Islands (British) (NB), Virgin Islands (U.S.) (NB).
Vagrant to France, Gambia, Greenland, Iceland, Ireland, Portugal, South Africa, South Georgia and the South Sandwich Islands, Spain, St Helena, Sweden, United Kingdom, Zambia.
Population
Estimated population is 150,000 (2010).
Solitary Sandpiper (Tringa solitaria) [XC498723]
by Isain Contreras Rodr\u00edguez from Privanzas Los Mochis Ahome, Sinaloa, Mexico (flight call, wind)
Solitary Sandpiper (Tringa solitaria) [XC436531]
by JAYRSON ARAUJO DE OLIVEIRA from Reserva Natural Palmar\u00ed, Rio Javar\u00ed, AM, Brazil (flight call)
Nest
Usually prefers an old tree nest of a songbird.
Subspecies
Formerly considered conspecific with Green Sandpiper (Tringa ochropus).
The following 2 subspecies are recognised:
solitaria Wilson, 1813 - Eastern British Columbia through south-central Canada to Quebec and Labrador. Winters from Central America and West Indies to South America south to Argentina, and occasionally in southern USA.
cinnamomea (Brewster, 1890) - Central and southern Alaska through western Northwest Territories and northern British Columbia to north-eastern Manitoba. Winters from northern South America south to central Argentina.
BirdLife International Species Factsheet