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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 Mar de Cobo

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: 645378
  Adult

Mar de Cobo
Buenos Aires
Argentina
05/02/2025
José Luis Ianiro
Foto
Photography ID: 117518
  Adult

Mar de Cobo
Buenos Aires
Argentina
05/12/2013
José Luis Ianiro
Foto
Photography ID: 96207
  Adult

Mar de Cobo
Buenos Aires
Argentina
04/03/2014
Jorge Iriberri



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Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
232801002/05/2025ArgentinaBuenos AiresParque Lago, Mar de CoboJosé Luis Ianiro
39985907/02/2016ArgentinaBuenos AiresParque Lago, Mar de CoboSantiago Juan Torres
34947117/10/2015ArgentinaBuenos AiresParque Lago, Mar de Cobo1Diego Oscar
17734307/06/2014ArgentinaBuenos AiresMar de CoboChristian Bisiau
27615203/04/2014ArgentinaBuenos AiresArroyo Parque Lago, Mar de CoboJorge Iriberri
33970312/05/2013ArgentinaBuenos AiresParque Lago, Mar de CoboJosé Luis Ianiro
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.