Family Tyrant-flycatchers (Tyrannidae)

Least Concern

Chocolate-vented Tyrant (Neoxolmis rufiventris)


French: Moucherolle à ventre bai German: Hellschulter-Nonnentyrann Spanish: Monjita chocolate

T[yrannus]. rufiventris


, 1823,

Río Santa Lucía, Uruguay




SE Argentina (from S Río Negro) S, including extreme S Chile (Magallanes), to Tierra del Fuego; migrates N to EC Argentina, Uruguay and SE Brazil.

Descriptive notes

22–23 cm; 77 g. Large and handsome terrestrial flycatcher. Head is ashy grey, blackish fore-face and ocular region; upperparts brownish-grey; wing-coverts mostly white... read more


Usually quiet; breeding male emits weak “bur-bit” at dawn and dusk from the ground or a rock.


Semi-open and open grass and scrub-covered steppe with scattered tussocks and Berberis or... read more

Food and feeding

Insects, including large beetles (Coleoptera), also small vertebrates (lizards). Usually in widely spaced pairs, but in non-breeding season... read more


Nov–Dec in Argentina. Nest a bowl-shaped cup, lined with grasses and feathers, diameter c. 10–10·4 cm, depth 5–6·9 cm;... read more


After breeding, moves N to winter in NE Argentina (mostly Córdoba, Santa Fe and Entre Rios S to Río... read more

Status and conservation

Not globally threatened. Restricted-range species: present in Southern Patagonia EBA. Rare to uncommon. Fairly common around El Caín (S Río Negro) and Estancia Las Vegas (S... read more

Recommended citation

Farnsworth, A. & Langham, G. (2019). Chocolate-vented Tyrant (Neoxolmis rufiventris). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 16 December 2019).