snowy-crowned tern, Trudeau's tern (Sterna trudeaui)

Sterna trudeaui is a species in the Sterna genus. It is commonly known as snowy-crowned tern, Trudeau's tern This name is unplaced name for the species in the family Laridae subfamily Sterninae, tribe Sternini, . . This species is found in Argentina, Brazil, Chile, Uruguay, and possibly Paraguay.