Masked Gnatcatcher

Polioptila dumicola

The Masked Gnatcatcher, Polioptila dumicola, is a diminutive and highly active passerine native to south-central South America, recognized by its slender build and restless foraging style. Measuring approximately 10-12 cm in length and weighing a mere 5-7 grams, its upperparts are a delicate gray, contrasting with clean white underparts and distinctive white outer tail feathers. Males boast a striking, well-defined black mask extending from the lore through the eye and across the forehead, gi...

Habitat

This species primarily inhabits dry, open woodlands, thorny scrub, savannas, and chaco and cerrado biomes, favoring areas with dense undergrowth. It is typically found at low to moderate elevations, generally below 1,500 meters.

Diet

Their diet consists almost exclusively of small insects and spiders, which they primarily glean from the surface of leaves and small branches.

Behavior

Masked Gnatcatchers are diurnal and exceptionally active, constantly flitting through foliage and branches with their tails cocked or flicking. They are primarily insectivorous, employing a foraging strategy of gleaning small arthropods from leaves and twigs, often hovering briefly to snatch prey...

Range

The Masked Gnatcatcher is a resident species distributed across a wide area of south-central South America. Its breeding and year-round range extends from eastern Bolivia and southwestern Brazil, south through Paraguay and Uruguay, and into northern and central Argentina. Key regions include the ...

Conservation Status

Least Concern

Fun Facts

- The Masked Gnatcatcher is one of the smallest birds in its South American range, often weighing less than a quarter of an ounce. - Its restless, acrobatic movements through dense foliage make it a challenging but rewarding bird to observe. - The male's distinct black mask is one of the most pro...

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