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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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Records from Mendoza

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: 681523
  Adult

Ruta Provincial 226, Mendoza, Ar
Mendoza
Argentina
03/22/2026
Pablo Moreno
Foto
Photography ID: 681522
  Adult

Ruta Provincial 226, Mendoza, Ar
Mendoza
Argentina
03/22/2026
Pablo Moreno
Foto
Photography ID: 681190
  Adult

Malargüe
Mendoza
Argentina
02/16/2009
Manuel Godoy
Foto
Photography ID: 632392
  Adult

Puesto tres quebradas
Mendoza
Argentina
04/19/2025
Pablo Moreno
Foto
Photography ID: 605667
  Squab

Parque Provincial Aconcagua
Mendoza
Argentina
01/10/2007
Manuel Godoy
Foto
Photography ID: 585137
  Adult

Parque Provincial Aconcagua
Mendoza
Argentina
02/09/2021
Adrian Braidotti
Foto
Photography ID: 585136
  Adult

Parque Provincial Aconcagua
Mendoza
Argentina
02/09/2021
Adrian Braidotti
Foto
Photography ID: 585135
  Adult

Parque Provincial Aconcagua
Mendoza
Argentina
02/09/2021
Adrian Braidotti
Foto
Photography ID: 573419
  Adult

Ruta Nacional 145 - Paso Pehuenche
Mendoza
Argentina
02/20/2024
Eduardo Cusano



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Last Vocalizations published




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Last Filmings published


Video ID: 2309
  Adult

Malargüe
Mendoza
Argentina
01/05/2012
Santos Di Mauro



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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
245629322/03/2026ArgentinaMendozaRuta Provincial 226, Mendoza, Ar2Pablo Moreno
245309215/03/2026ArgentinaMendozaValle de los manantiales1Pablo Moreno
244302828/02/2026ArgentinaMendozaSeccional Alvarado, Laguna del Diamante8Pablo Moreno
240080816/12/2025ArgentinaMendozaParque Provincial Aconcagua4Diego Oscar
228096319/04/2025ArgentinaMendozaPuesto tres quebradas1Pablo Moreno
225774028/02/2025ArgentinaMendozaReserva Natural Villavicencio2Emilio Martin Perez
225776827/02/2025ArgentinaMendozaReserva Natural Villavicencio6Emilio Martin Perez
225779411/02/2025ArgentinaMendozaRuta provincial 226 a Planchon Vergara, Las Loicas2Emilio Martin Perez
224599111/02/2025ArgentinaMendozaRuta 226, Malargüe2Emilio Martin Perez
226124805/02/2025ArgentinaMendozaParque Provincial AconcaguaGustavo Daniel González
Page 1

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Citation recommended:

EcoRegistros. 2026. Grey-breasted Seedsnipe (Thinocorus orbignyianus) - Species sheet. Acceded from https://www.ecoregistros.org on 11/04/2026.