TIERRA DEL FUEGO BIRDING TOURS

Chocolate-vented Tyrant

Passeriformes > Tyrannidae
Neoxolmis rufiventris

IUCN Red List category

Least Concern

Good birding season

Spring & Summer

Best time to visit

October to March

Records in Tierra del Fuego

108 observations

27 photos

0 audios

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OVERVIEW

About Chocolate-vented Tyrant

One of the most striking tyrant flycatchers of southern South America, the Chocolate-vented Tyrant is a large, strongly terrestrial species, almost thrush-sized, with a rich cinnamon belly and long, pointed wings. Despite belonging to a typically drab family, it stands out with its bold flight pattern and distinctive ground-oriented behavior.

It breeds in the Patagonian Steppe, where it performs wide-ranging aerial displays more reminiscent of shorebirds than passerines. In winter, it migrates north to the Pampas and has even been observed foraging among flocks of Tawny-throated Dotterel—further emphasizing its unusual, plover-like ecology.

Conservation note

Globally listed as Least Concern, but considered rare to uncommon and somewhat localized. As a restricted-range species of southern Patagonia, it may be sensitive to extensive grassland degradation, particularly from sheep grazing. Population numbers can fluctuate markedly in the southern part of its range, with the species abundant in some years and scarce in others.

Protected areas within its range are limited, making continued monitoring important for understanding long-term trends in this distinctive Patagonian specialist.

BIRDS IMAGE GALLERY

Chocolate-vented Tyrant

Habitat and distribution

Breeds in southern Argentina (from southern Río Negro southward) and Chilean Patagonia (Aysén and Magallanes) to Tierra del Fuego. Inhabits open steppe and semi-open grassland, especially flat or gently rolling terrain with short grass, scattered tussocks, and low shrubs (e.g., Berberis, Verbena, Azorella). Also uses pastures and agricultural fields. Primarily below 500 m, locally to 1,200 m. Migrates north after breeding to northeastern Argentina, Uruguay, and southeastern Brazil.

Observation tips

  • Best searched in open Patagonian steppe, especially areas with short grass and scattered low shrubs.
  • Often seen walking or running on the ground, pausing upright on small mounds or rocks while flicking wings and tail.
  • Look for its distinctive long, pointed wings and bold white-and-rufous pattern in flight.
  • During the breeding season, watch for wide aerial display flights over open terrain.
  • In winter, check open grasslands in the Pampas; small flocks may form outside the breeding season.

Chocolate-vented Tyrant

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