French: Dormilon bistré German: Maskengrundtyrann Spanish: Dormilona carinegra
Subspecies and Distribution
M. m. mentalis
d’Orbigny & Lafresnaye, 1837 – S Chile (Los Ríos S to Cape Horn) and S Argentina (Neuquén and Río Negro S to Tierra del Fuego); winters N to N Peru, NE Argentina and Uruguay, occasionally to S Brazil#R.
M. m. maclovianus
(Garnot, 1826) – Falkand Is.
15–16·5 cm. Generally shorter-billed than other ground-tyrants, accentuated by small and rounded appearance. Has forehead, lores and cheek blackish, crown dull... read more
Alarm call a series of loud “cheep” and rapid “tu” or “chee-tú”; territorial song reported as a... read more
Open meadows near forest and woodland edge and high Andean slopes; also marshy places in valleys... read more
Food and feeding
Insects. Mainly terrestrial, making short runs and hops after prey, stopping suddenly and standing erect; sometimes hovers for long periods... read more
Sept–Mar (race mentalis); Oct–Dec in Falkland Is (nominate); possibly double-brooded. Displaying male flies up c. 16 m... read more
Resident in Falkland Is. Mainland race mentalis migratory, spends austral winter (Apr... read more
Status and conservation
Not globally threatened. Common. Most numerous ground-tyrant in S part of Tierra del Fuego in austral summer. Nominate race in Falkland Is estimated at 4000–8000 pairs... read more
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