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Species icon
Snowy-crowned Tern

Sterna trudeaui
Audubon, JJ, 1838
Gaviotín Lagunero
Trinta-réis-de-coroa-branca
Family: Laridae
Order: Charadriiformes
Class: Aves
Phylum / Division: Chordata
Kingdom: Animalia
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Records from Argentina

Conservation status according to BirdLife International: Least Concern

Synonyms: Sterna trudeaui.


This taxon does not yet have a description.

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Latest feeding records
Feeding
GroupSpeciesDateUser
FishPejerrey Bonaerense (Odontesthes bonariensis)25/02/2018Ricardo A. Palonsky
FishPejerrey Bonaerense (Odontesthes bonariensis)25/02/2018Ricardo A. Palonsky
FishPejerrey Bonaerense (Odontesthes bonariensis)25/02/2018Lucas De Ciria
FishPejerrey Bonaerense (Odontesthes bonariensis)20/02/2016Hernán Tolosa



Last published photographs

Foto
Photography ID: 680999
  Adult
Balneario Reta
Buenos Aires
Argentina
03/30/2026
Liliana Rubilar Puerta
Foto
Photography ID: 680995
  Adult
Balneario Reta
Buenos Aires
Argentina
03/30/2026
Liliana Rubilar Puerta
Foto
Photography ID: 680710
  Adult
General Madariaga
Buenos Aires
Argentina
08/15/2025
Celina Emilia Iratchet
Foto
Photography ID: 680700
  Adult
Balneario Reta
Buenos Aires
Argentina
03/28/2026
Gustavo Abel Larracoechea
Foto
Photography ID: 680697
  Adult
Las Grutas
Río Negro
Argentina
10/08/2025
Gustavo Abel Larracoechea
Foto
Photography ID: 680086
  Adult
Albúfera Laguna Mar Chiquita
Buenos Aires
Argentina
02/20/2026
Elsa Longo
Foto
Photography ID: 680035
  Adult
Pinamar
Buenos Aires
Argentina
03/24/2026
Celina Emilia Iratchet
Foto
Photography ID: 679579
  Adult
Necochea
Buenos Aires
Argentina
03/09/2026
Fernando Alberto Segura
Foto
Photography ID: 679016
 Navarro
Buenos Aires
Argentina
09/06/2025
Pablo Richter
Foto
Photography ID: 678475
  Adult
Mar del Plata
Buenos Aires
Argentina
03/08/2026
Pablo Eguia
Foto
Photography ID: 678474
  Adult
Mar del Plata
Buenos Aires
Argentina
03/08/2026
Pablo Eguia



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Last Vocalizations published



Audio playerUserDateCountryProvincePlaceSexLife stageIt was observedDetails
Viviana Fuentes01/13/2024ArgentinaTucumánReserva Natural y Dique La AngosturaN/AN/AYesNo
Diego Oscar09/05/2023ArgentinaBuenos AiresRio de la Plata (frente a Isla Lucha)N/AN/AYesNo
Diego Oscar01/01/2022ArgentinaBuenos AiresClub de Pesca y Turismo de Saavedra, SaavedraIndistinguishableAdultYesNo



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Last Filmings published





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 Reports


 Detail of places sorted by number of records







Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
245527230/03/2026ArgentinaBuenos AiresAlbufera de Reta, Balneario RetaLiliana Rubilar Puerta
245492528/03/2026ArgentinaBuenos AiresAlbufera, Balneario RetaGustavo Abel Larracoechea
245479024/03/2026ArgentinaBuenos AiresReserva Natural Puerto Mar del Plata2Enrique Chiurla
245482524/03/2026ArgentinaBuenos AiresEscollera Sur, Mar del Plata12Enrique Chiurla
245455524/03/2026ArgentinaBuenos AiresEscollera Sur, Mar del Plata12Victor Hugo Michelini
245451924/03/2026ArgentinaBuenos AiresReserva Natural Puerto Mar del Plata2Victor Hugo Michelini
245327424/03/2026ArgentinaBuenos AiresPinamar Norte, PinamarCelina Emilia Iratchet
244716315/03/2026ArgentinaBuenos AiresEa. El PalenqueAlec Earnshaw
244680615/03/202608:55ArgentinaBuenos AiresCorbeta Agradable 453, Cariló20Santiago Juan Torres
244706214/03/2026ArgentinaBuenos AiresCamino a Tapera de López, Reserva Natural Punta RasaAlec Earnshaw
Page 1

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Bibliography related


Artículo Lucero, F. y J. C. Chebez. 2011. Nuevas citas y ampliación de la distribución de algunas aves en las provincias de San Juan, Mendoza y La Rioja. Nótulas Faunísticas N° 71. Fundación Félix de Azara.



Citation recommended:

EcoRegistros. 2026. Snowy-crowned Tern (Sterna trudeaui) - Species sheet. Acceded from https://www.ecoregistros.org on 11/04/2026.