Terns (Sternidae)
Large-billed Tern (Phaetusa simplex) - HBW 3, p. 664
French: Sterne à gros bec
German: Großschnabel-Seeschwalbe
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
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A bird flying over the water, looking for fish Locality Orinoco River, Delta Amacuro, Venezuela (ssp simplex)
Peter Nash 10 November 2005 5 years ago 51 sec 4 -
An individual flying Locality Pantanal, Mato Grosso State, Brazil (ssp simplex)
Josep del Hoyo 14 June 2001 9 years ago 17 sec 4 -
A bird in flight Locality Pantanal, Mato Grosso State, Brazil (ssp simplex)
Paul Clarke 22 August 2008 2 years ago 12 sec 3.8 -
A bird looking around from a pole in the Suriname River, next to Paramaribo. Locality Paramaribo, Paramaribo District, Suriname (ssp simplex)
Pieter de Groot Boersma 10 July 2011 11 weeks ago 25 sec 3.7 -
A bird flying over a river and trying to catch a fish Locality Hato El Cedral, Apure State, Venezuela (ssp simplex)
DAVID ASCANIO 31 January 2006 5 years ago 7 sec 3.3 -
A perched bird on a pole in the estuary of the Suriname River, next to the city of Paramaribo. Locality Paramaribo, Paramaribo District, Suriname (ssp simplex)
Pieter de Groot Boersma 10 July 2011 11 weeks ago 12 sec 3
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A bird in a dead trunk on the river.
Locality Embiara Lodge, Aquidauana, Mato Grosso do Sul State, Brazil (ssp simplex)
Carmelo López 12 November 2011 1 week ago ADDED LAST MONTH 4.5 -
A bird on the bank of river
Locality Passo do Lontra, Pantanal, Mato Grosso do Sul State, Brazil
Tadeusz Stawarczyk 9 August 2010 12 weeks ago 4 -
Juvenile individual showing one wing seen from above and the other one from behind. To note white color on forehead and head and
Locality Barlovento, Miranda State, Venezuela (ssp simplex)
Eduardo López 30 September 2007 2 years ago 4 -
Adult male showing breeding plumage.
Locality Barlovento, Miranda State, Venezuela (ssp simplex)
Eduardo López 30 September 2007 2 years ago 3.9 -
Adult male showing breeding plumage.
Locality Barlovento, Miranda State, Venezuela (ssp simplex)
Eduardo López 30 September 2007 2 years ago 3.8 -
Two Males - perched on a tree log
Locality Puerto Alegría, Loreto Department, Peru
Blair Wainman 13 August 2009 2 years ago 3.8
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Calls in flight. Locality Tocantins State, Brazil
(Monotypic species)
Ciro Albano 5 July 2008 2 years ago 4
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