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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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Conservation Status according to BirdLife International: Least Concern
 More information on BirdLife International

Synonyms: Sterna trudeaui.


This taxon does not have a description yet.

At EcoRegistros, species pages are completed using open bibliographic compilations, and anyone can contribute.

If you'd like to submit a sourced description, email us at ecoregistros@ecoregistros.org and we'll publish it credited to your name.




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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
Is consumed, preyed upon or captured by
GroupSpeciesDateUser
BirdsCarancho (Caracara plancus)26/09/2015Mauricio Silvera



Number of Photography: 878

Foto
Photography ID: 675759
  Adult
Rio Salado Begueri
Buenos Aires
Argentina
02/17/2026
Roxana Larramendy
Foto
Photography ID: 675151
  Adult
Mar Chiquita
Buenos Aires
Argentina
02/23/2026
Tiago Vaggi
Foto
Photography ID: 674988
  Adult
Benito Juárez
Buenos Aires
Argentina
01/08/2026
Liliana Rubilar Puerta
Foto
Photography ID: 673579
  Adult
Funes
Santa Fe
Argentina
07/15/2025
Santos Uranga
Foto
Photography ID: 672855
  Adult
Embalse El Nihuil
Mendoza
Argentina
02/11/2026
Fernanda Ferrari
Foto
Photography ID: 672816
  Immature
Arenas Verdes
Buenos Aires
Argentina
01/11/2026
Edgar Romeo
Foto
Photography ID: 672257
  Immature
Las Toninas
Buenos Aires
Argentina
01/23/2026
Román Montero



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Number of Recorded Vocalizations: 3



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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Number of Films: 6





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 Reports


 Detail of places sorted by number of records





Number of Records: 2430



Page 1 of 243
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
244305006/03/202617:26ArgentinaBuenos AiresRuta Nacional 2261Santiago Juan Torres
244290306/03/2026ArgentinaBuenos AiresSan Miguel del Monte1Diego Oscar
244334001/03/2026ArgentinaBuenos AiresEscollera Sur, Mar del Plata4Victor Hugo Michelini
244329801/03/2026ArgentinaBuenos AiresReserva Natural Puerto Mar del Plata2Victor Hugo Michelini
243897123/02/2026ArgentinaBuenos AiresPuente Celpa, Mar ChiquitaTiago Vaggi
244037017/02/2026ArgentinaBuenos AiresMar Chiquita, Mar Chiquita5Victor Hugo Michelini
244011417/02/2026ArgentinaBuenos AiresPesquero Villa Benita, Rio Salado BegueriRoxana Larramendy
243504917/02/202612:41ArgentinaBuenos AiresReserva Natural Punta Rasa1Santiago Juan Torres
243503417/02/202612:11ArgentinaBuenos AiresReserva Natural Punta Rasa50Santiago Juan Torres
243499517/02/202611:27ArgentinaBuenos AiresReserva Natural Punta Rasa10Santiago Juan Torres
Page 1 of 243

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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 10/03/2026.