juvenile South American Tern
This tern is found around the coasts of the southern half of South America. Its breeding range extends on the Atlantic coast from east central Brazil southwards through Argentina and the Falkland Islands to Tierra del Fuego. On the Pacific coast it breeds in southern Peru and Chile. In the winter, birds from the southern end of the range migrate northwards to Ecuador, Uruguay and Southern Brazil.[1]
juvenile South American Tern
This tern is found around the coasts of the southern half of South America. Its breeding range extends on the Atlantic coast from east central Brazil southwards through Argentina and the Falkland Islands to Tierra del Fuego. On the Pacific coast it breeds in southern Peru and Chile. In the winter, birds from the southern end of the range migrate northwards to Ecuador, Uruguay and Southern Brazil.[1]