Muscisaxicola maclovianus
The Dark-faced Ground Tyrant (Muscisaxicola maclovianus) is a distinctive medium-sized flycatcher of the Tyrannidae family, measuring approximately 16-18 cm (6-7 inches) in length and weighing 25-35 grams. Its plumage is subtly elegant: an ashy-gray head and nape contrast with a prominent dark brown to black facial mask and lores, neatly bordered by a bright white supercilium that extends behind the eye. The back and rump are brownish-gray, transitioning to dusky flight feathers and tail, whi...
Found in open, often rocky or sparsely vegetated grasslands, steppes, and coastal areas, from sea level up to high Andean plateaus reaching 4,000 meters during the breeding season.
Primarily insectivorous, feeding on beetles, flies, grasshoppers, spiders, and other invertebrates, which it gleans from the ground or low vegetation.
A highly terrestrial and diurnal species, the Dark-faced Ground Tyrant spends much of its active time running and hopping across the ground with an alert, upright posture, often perching on low rocks or bushes. Its primary foraging strategy is sally-gleaning: it scans for prey while perched or st...
The Dark-faced Ground Tyrant has a fascinating bipartite distribution across southern South America. The nominate subspecies, *Muscisaxicola maclovianus maclovianus*, is resident year-round and breeds exclusively on the Falkland Islands (Islas Malvinas), where it is widespread. The mainland subsp...
Least Concern
- One subspecies, *Muscisaxicola maclovianus maclovianus*, is endemic to the Falkland Islands (Islas Malvinas), making it one of only two bird species found exclusively there. - Despite belonging to the 'flycatcher' family, this species spends a significant portion of its time foraging on the gro...