Don't want to see ads? Sign up...




Tigrisoma lineatum

Rufescent Tiger Heron


Tigrisoma lineatum

(Boddaert, P, 1783)
Hocó Colorado
Socó-boi

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

 Request change

Synonyms: Ardea lineata.

Subspecies:





Filters



Conservation status according to BirdLife International: Least Concern


Description


It is a medium to large-sized heron with a robust build and upright posture. Adults show a distinctive combination of rufous head and neck, contrasting with a dark gray dorsal area and a paler gray underside. From the throat to the upper chest, it displays long reddish and white streaks, a key identifying feature. The bill is strong and pointed, adapted for capturing aquatic prey, and the legs are long for wading in shallow waters. The eyes are usually pale and stand out against the face. At rest, it keeps its neck retracted, but when alert it extends it, making the streaked pattern more visible. Juveniles differ markedly, showing a heavily barred pattern in ochre, brown, blackish, and white tones, which provides effective camouflage among vegetation.

Geographic distribution: It is widely distributed across tropical and subtropical America, from southern Mexico to northern Argentina and Uruguay. It occurs throughout much of Central and South America, including Brazil, Paraguay, Bolivia, and Colombia. Although it may be locally common, it is often overlooked due to its secretive behavior and preference for densely vegetated habitats.

Habitat: It primarily inhabits freshwater wetlands, such as marshes, swamps, lagoons, and the edges of slow-moving rivers and streams. It favors areas with dense emergent or riparian vegetation, which provide cover and hunting grounds. It may also occur in floodplains and occasionally in mangroves. It tends to avoid heavily disturbed environments, preferring relatively well-preserved areas.

Feeding: Its diet mainly consists of fish, amphibians, and aquatic insects, though it may also take crustaceans and small reptiles. It uses a hunting strategy based on stillness and ambush, remaining motionless for long periods until detecting prey, then striking quickly and precisely with its bill. It may also move slowly through shallow water while carefully scanning its surroundings.

Behavior: This species is generally solitary and largely crepuscular, though it may be active during the day. It is known for its secretive and cautious behavior, often remaining still or moving slowly to avoid detection. When threatened, it may adopt rigid postures to blend with surrounding vegetation. Its flight is direct, with slow wingbeats and the neck retracted. Vocalizations are infrequent and low-pitched.

Nesting: It builds platform nests of sticks, usually placed in trees or shrubs near water. Breeding typically coincides with periods of higher food availability. The clutch usually consists of 2 to 4 eggs, and both parents share incubation and chick-rearing duties. The young remain in the nest until ready to fledge and are fed by regurgitation.

Conservation status: It is currently classified as Least Concern, due to its wide distribution and relatively stable population. However, it faces local threats such as wetland loss and degradation, pollution, and human disturbance. The conservation of wetland habitats is essential for its persistence.


Author of this compilation: EcoRegistros – 04/17/2026






🌿 EcoRegistros Magazine - Related Articles







Geographic distribution


Loading map...


Latest feeding records

Feeding on...




Species photographs

Last published photographs

Foto
Photography ID: 391044
  Adult

Belgrano
Ciudad Autónoma de Buenos Aires
Argentina
03/24/2020
Diego Carus
Foto
Photography ID: 377795
  Adult

Concordia
Entre Ríos
Argentina
01/26/2020
Diego Carus
Foto
Photography ID: 363271
  Juvenile

Pipinas
Buenos Aires
Argentina
11/17/2019
Diego Carus
Foto
Photography ID: 346517
  Adult

Concordia
Entre Ríos
Argentina
08/17/2019
Diego Carus
Foto
Photography ID: 344194
  Adult

Concordia
Entre Ríos
Argentina
07/30/2019
Diego Carus
Foto
Photography ID: 243720
  Adult

Delta del Paraná
Buenos Aires
Argentina
01/27/2018
Diego Carus



 View all photographs of the species




 Add a photography of this species






Species vocalizations

Last vocalizations published



 Add an audio of this species





Species videos

Last filmings published




 Add a film of this species





Species reports



 Detail of places sorted by number of records








Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
215714821/09/2024ArgentinaEntre RíosCeibasDiego Carus
194994615/01/2024ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Ciudad Universitaria - Costanera Norte (RECU-CN)Diego Carus
194358503/01/2024ArgentinaMisionesSeccional Uruzú, Parque Provincial Urugua-íDiego Carus
192877410/12/2023ArgentinaBuenos AiresReserva Natural de Uso Múltiple Isla Martín GarcíaDiego Carus
190596205/11/2023ArgentinaCiudad Autónoma de Buenos AiresReserva Ecológica Ciudad Universitaria - Costanera Norte (RECU-CN)Diego Carus
190274228/10/2023ArgentinaBuenos AiresParque Natural La LucilaDiego Carus
189786114/10/2023ArgentinaBuenos AiresParque Natural La LucilaDiego Carus
176840120/05/2023ArgentinaBuenos AiresÁrea Natural Protegida Monte Blanco (Ex Delta Terra), Delta del ParanáDiego Carus
168776105/11/2022ArgentinaChacoParque Nacional ChacoDiego Carus
148559323/10/2021ArgentinaBuenos AiresParque Natural La LucilaDiego Carus
Page 1

 Add a record of this species

📖
Recommended citation
Please use the following reference when citing this species account.
EcoRegistros. 2026. Rufescent Tiger Heron (Tigrisoma lineatum) – Species account. Accessed from www.ecoregistros.org on 25/09/2026.