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Great Egret

Ardea alba
Linnaeus, C, 1758
Garza Blanca
Garça-branca-grande

Family: Ardeidae
Order: Pelecaniformes
Class: Aves
Phylum / Division: Chordata
Kingdom: Animalia

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Records from Olavarría

Conservation status according to BirdLife International: Least Concern

Description: It’s one of the largest and most elegant herons worldwide, easily recognized by its entirely white plumage, long S-shaped neck, and slow, deliberate movements. It features a yellowish, dagger-like bill that may darken slightly during the breeding season, along with black legs that highlight its bright body. In flight, it retracts its neck—typical of herons—and its impressive height, often exceeding one meter, makes it a striking presence in wetlands and coastal habitats.

Geographical distribution: This species has an almost cosmopolitan distribution, occurring on every continent except Antarctica. It is widespread throughout the Americas, Europe, Africa, Asia, and Australia. In South America, it is well documented from Colombia to Argentina and Uruguay, with both resident and migratory populations depending on the region. Its distribution is supported by BirdLife International and multiple global and regional observation platforms.

Habitat: It favors large wetland environments such as marshes, lakes, riverbanks, estuaries, rice fields, tidal flats, and shallow waters where it can hunt efficiently. The species is highly adaptable and occupies freshwater, brackish, and marine habitats, provided they offer abundant prey and good visibility.

Diet: Its diet is dominated by fish, though it also consumes amphibians, crustaceans, aquatic insects, small reptiles, and occasionally small mammals. Its primary foraging strategy involves slow, careful walking in shallow water, followed by rapid, precise strikes. It may also remain still for extended periods, waiting patiently for prey to approach.

Behavior: The Great Egret typically forages alone, though groups may form where food resources are plentiful. During the breeding season, it nests in mixed colonies with other herons. It is generally cautious but not overly shy, making it relatively easy to observe. Its flight is steady and direct, with slow, deep wingbeats.

Breeding: Great Egrets nest in colonies, placing their nests in trees, shrubs, or dense vegetation above water. Nests consist of platforms made of sticks. Clutches usually contain 2 to 4 bluish or pale eggs. Both parents participate in incubation and chick care. During the breeding season, adults develop long, delicate ornamental plumes on the back, known as egrets, used in courtship displays.

Conservation status: Globally listed as Least Concern (LC) by BirdLife International due to its wide distribution and stable overall population. Nonetheless, it faces threats such as wetland degradation, pollution, and human disturbance. Monitoring efforts are important in some regions to ensure population stability.


Author of this compilation: EcoRegistros – 08/12/2025




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Last published photographs

Foto
Photography ID: 546376
  Adult

Olavarría
Buenos Aires
Argentina
08/27/2023
Daniel Acosta
Foto
Photography ID: 417933
  Adult

Olavarría
Buenos Aires
Argentina
11/07/2020
Daniel Acosta
Foto
Photography ID: 292139
  Adult

Olavarría
Buenos Aires
Argentina
10/06/2018
Daniel Acosta
Foto
Photography ID: 224080
  Adult

Olavarría
Buenos Aires
Argentina
09/16/2017
Daniel Acosta
Foto
Photography ID: 135876
  Adult

Olavarría
Buenos Aires
Argentina
01/27/2016
Daniel Acosta
Foto
Photography ID: 118951
  Adult

Olavarría
Buenos Aires
Argentina
10/11/2015
Daniel Acosta
Foto
Photography ID: 82478
  Adult

Olavarría
Buenos Aires
Argentina
02/12/2015
Daniel Acosta
Foto
Photography ID: 20494
  Adult

Olavarría
Buenos Aires
Argentina
03/16/2013
Daniel Acosta



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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
181797427/08/2023ArgentinaBuenos AiresPartido de Olavarría, OlavarríaDaniel Acosta
130805107/11/2020ArgentinaBuenos AiresOlavarríaDaniel Acosta
82025906/10/2018ArgentinaBuenos AiresPartido de Olavarría, OlavarríaDaniel Acosta
71191609/03/2018ArgentinaBuenos AiresRuta Provincial 51, OlavarríaNicolas Olejnik
69519306/02/2018ArgentinaBuenos AiresOlavarría1Sebastián Otero
69509604/02/2018ArgentinaBuenos AiresOlavarría6Sebastián Otero
69309103/02/2018ArgentinaBuenos AiresOlavarría10Sebastián Otero
69082602/02/2018ArgentinaBuenos AiresOlavarría10Sebastián Otero
63082016/09/2017ArgentinaBuenos AiresPartido de Olavarría, OlavarríaDaniel Acosta
59888004/08/2017ArgentinaBuenos AiresRuta 226 (entre Olavarria y Bolivar), OlavarríaSantiago Juan Torres
Page 1

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Citation recommended:

EcoRegistros. 2026. Great Egret (Ardea alba) - Species sheet. Acceded from https://www.ecoregistros.org on 12/03/2026.