Large-billed Tern (Phaetusa simplex) - HBW 3, p. 664
French: Sterne à gros bec
Spanish: Charrán Picudo
Taxonomy: Sterna simplex Gmelin, 1789, Cayenne.
Morphometric analysis does not provide clear evidence of relationship to other terns or gulls, but apparently most similar to Thalasseus. Two subspecies recognized.
Subspecies and Distribution:
- simplex (Gmelin, 1789) - E Colombia E to Trinidad, and S through Amazonia; W Ecuador.
- chloropoda (Vieillot, 1819) - basins of R Paraguay and R Paraná SW to NC Argentina (Santiago del Estero, very rarely Cordoba); non-breeding visitor to Uruguay.
- Least Concern Enlarge map
Bird singing on the beach of Rio Negro. Locality Fazenda Barra Mansa, Nhecolândia, Pantanal, Mato Grosso do Sul State, Brazil
Antonio Silveira 9 May 2005 48 weeks ago 5
Calls by several birds. Locality Fazenda Praia Alta, Tocantins State, Brazil
Josep del Hoyo 4 August 2011 1 year ago 4.5
Calls in flight. Locality Tocantins State, Brazil
Ciro Albano 5 July 2008 4 years ago 4