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Grey-breasted Seedsnipe

Thinocorus orbignyianus
Geoffroy Saint-Hilaire, I; Lesson, RP, 1831
Agachona de Collar

Family: Thinocoridae
Order: Charadriiformes
Class: Aves
Phylum / Division: Chordata
Kingdom: Animalia

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Synonyms: Tinochorus orbignyianus.

Subspecies:


Description: Medium-sized seedsnipe measuring 19–24 cm, with a compact body but more slender than the large seedsnipes (Attagis), with a small head, short neck, and short wedge-shaped tail. Cryptic plumage in cinnamon, beige, and brown tones with fine vermiculations. In flight, wings long and pointed; above with cryptic pattern, below with strong contrast between dark coverts and extensive white. Bill short, conical, yellowish with black tip, with a sheath at the base protecting the nostrils in windy, dry, and dusty environments. Legs yellow to orange. Shows sexual dimorphism. Male: head, neck, and chest uniform gray, bordered by a fine dark collar and white throat; belly whitish. Female: duller, with head and chest ochraceous and heavily streaked. Juvenile similar to female. Very similar to the Least Seedsnipe (T. rumicivorus), with which it coexists: the collared male differs by lacking the vertical black line on the chest that is present in the male of the smaller species. Females are very difficult to identify in the field.

Distribution: Broad Andean distribution from northern Peru to Tierra del Fuego. In Argentina it occurs along the Andes and Patagonia. Two main subspecies are present in the country: North (ingae): Andes from northwestern Argentina to Catamarca; in Tucumán present in the Cumbres Calchaquíes, above 3,800 m a.s.l., where it becomes common (pers. obs.). South (orbignyianus): from La Rioja south to Tierra del Fuego. Performs altitudinal movements, descending in winter and reaching lowlands in Patagonia.

Habitat: Inhabits open high Andean and Patagonian environments: steppes, rocky slopes, scattered scrub, wet meadows, bofedales, and peatlands. In the north it occurs mainly between 3,000 and 5,000 m a.s.l., while in the south it inhabits from sea level to mid elevations.

Behavior: Terrestrial species, generally in pairs or small groups; outside the breeding season may form flocks. Discreet and highly cryptic, often remains motionless or crouches to avoid detection. Walks slowly, alternating with quick movements while feeding. Males act as sentinels during the breeding season. Flight low, fast, and direct. Produces soft, monotonous, repetitive vocalizations, sometimes in flight. Also emits shorter, sharper calls in alarm situations. Often vocalizes at night (pers. obs.).

Diet: Feeds mainly on plant material: shoots, leaves, and seeds. Forages on the ground, alone or in small groups, taking food continuously.

Breeding: Nests on the ground, usually in a depression protected by vegetation. Clutch of 3 to 4 eggs, pale with spots. Chicks are precocial and cryptic.

Conservation status: In Argentina it is categorized as Not Threatened (NT) and globally as Least Concern (LC). Locally common in suitable sites, but potentially affected by habitat modification, especially mining and overgrazing.


Author of this compilation: Diego Carus and María Belén Dri – 03/04/2026





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Last published photographs

Foto
Photography ID: 678859
  Adult

Camino a Balcón del Pissis
Catamarca
Argentina
03/14/2026
Pablo Eguia
Foto
Photography ID: 665319
♂ ♀
  Adult

Camino a laguna los aparejos
Catamarca
Argentina
12/21/2025
Pablo Eguia
Foto
Photography ID: 662145
♂ ♀
  Adult

Cortaderas
Catamarca
Argentina
11/22/2025
Pablo Eguia
Foto
Photography ID: 662127
♂ ♀
  Adult

Camino a Balcón del Pissis
Catamarca
Argentina
11/22/2025
Pablo Eguia
Foto
Photography ID: 662126
♂ ♀
  Adult

Camino a Balcón del Pissis
Catamarca
Argentina
11/22/2025
Pablo Eguia
Foto
Photography ID: 662125
♂ ♀
  Adult

Camino a Balcón del Pissis
Catamarca
Argentina
11/22/2025
Pablo Eguia
Foto
Photography ID: 611561
  Adult

Laguna Cortaderas
Catamarca
Argentina
11/09/2024
Pablo Eguia
Foto
Photography ID: 610765
  Adult

Fiambálá
Catamarca
Argentina
11/09/2024
Pablo Eguia
Foto
Photography ID: 610764
  Adult

Fiambálá
Catamarca
Argentina
11/09/2024
Pablo Eguia
Foto
Photography ID: 610763
  Adult

Fiambálá
Catamarca
Argentina
11/09/2024
Pablo Eguia
Foto
Photography ID: 436614
  Adult

Cumbres Calchaquies
Tucumán
Argentina
02/27/2021
Pablo Eguia
Foto
Photography ID: 436613
  Adult

Cumbres Calchaquies
Tucumán
Argentina
02/27/2021
Pablo Eguia



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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
245005514/03/2026ArgentinaCatamarcaLaguna de los Aparejos, Camino a Balcón del PissisPablo Eguia
245003314/03/2026ArgentinaCatamarcaVegas Río del Rincón, Camino a laguna los aparejosPablo Eguia
245002314/03/2026ArgentinaCatamarcaLaguna CortaderasPablo Eguia
240719221/12/2025ArgentinaCatamarcaVegas Río del Rincón, Camino a laguna los aparejos2Pablo Eguia
240718021/12/2025ArgentinaCatamarcaLaguna de los Aparejos, Camino a Balcón del Pissis3Pablo Eguia
240713720/12/2025ArgentinaCatamarcaLaguna Cortaderas2Pablo Eguia
240710720/12/2025ArgentinaCatamarcaRuta nacional Nº 60, antes de Paso San Francisco2Pablo Eguia
239674422/11/2025ArgentinaCatamarcaEmbalse Cortaderas, CortaderasPablo Eguia
239672722/11/2025ArgentinaCatamarcaLaguna de los Aparejos, Camino a Balcón del PissisPablo Eguia
229154701/03/2025ArgentinaCatamarcaLaguna de los Aparejos, Camino a Balcón del Pissis3Pablo Eguia
Page 1

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Citation recommended:

EcoRegistros. 2026. Grey-breasted Seedsnipe (Thinocorus orbignyianus) - Species sheet. Acceded from https://www.ecoregistros.org on 05/04/2026.