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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 Puerto Iguazú

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: 461759
  Adult

Puerto Iguazú
Misiones
Argentina
07/27/2021
Jorge Schlemmer
Foto
Photography ID: 219281
  Adult

Puerto Iguazú
Misiones
Argentina
03/17/2017
Miguel A Villarruel
Foto
Photography ID: 219280
  Adult

Puerto Iguazú
Misiones
Argentina
03/17/2017
Miguel A Villarruel
Foto
Photography ID: 80350
  Adult

Puerto Iguazú
Misiones
Argentina
01/06/2015
Jose Luis Fernandez Guaraz



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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
180665908/08/2023ArgentinaMisionesAvenida Victoria Aguirre 44, Puerto Iguazú1Gustavo Fernando Durán
168814717/12/2022ArgentinaMisionesAvenida Tres Fronteras 780, Puerto Iguazú1Gustavo Fernando Durán
167330411/11/2022ArgentinaMisionesSelva Iryapú (600 hectáreas), Puerto Iguazú1Diego Oscar
149024914/10/2021ArgentinaMisionesSelva Iryapú (600 hectáreas), Puerto IguazúGuillermo Marcaida
148998014/10/2021ArgentinaMisionesSelva Iryapú (600 hectáreas), Puerto IguazúElsa Longo
146162627/07/2021ArgentinaMisionesSelva Iryapú (600 hectáreas), Puerto IguazúJorge Schlemmer
97038425/07/2019ArgentinaMisionesSelva Iryapú (600 hectáreas), Puerto Iguazú1Facundo Quintela
88946913/02/2019ArgentinaMisionesSelva Iryapú (600 hectáreas), Puerto Iguazú1Sebastián Otero
85513610/12/2018ArgentinaMisionesHito Tres Fronteras, Puerto IguazúDiego Carus
82692325/10/2018ArgentinaMisionesLas 2000 ha barrio, Puerto IguazúPablo Capovilla
Page 1

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Citation recommended:

EcoRegistros. 2026. Great Egret (Ardea alba) - Species sheet. Acceded from https://www.ecoregistros.org on 13/03/2026.