About the Masked Gnatcatcher
The masked gnatcatcher is a small songbird in the family Polioptilidae. It is found in Argentina, Bolivia, Brazil, Paraguay, and Uruguay.
Text adapted from Wikipedia, licensed CC BY-SA 4.0.
ID tip
The masked gnatcatcher is 12 to 13 cm (4.7 to 5.1 in) long and weighs 5 to 7 g (0.18 to 0.25 oz), larger than most other gnatcatchers. The nominate male has a large black mask with a thin white line below it. Its forehead, crown, nape, and upperparts are blue-gray. Its tail is mostly black with white outer feathers. Its throat is pale gray fading to whitish on the belly. The nominate female does not have a mask but instead a black crescent down from the eye. Its upperparts are duller and not as bluish. P. d. Voice: The nominate masked gnatcatcher's loudsong is "variable, short, sweet and musical" . P. d. berlepschi's loudsong is quite different: . The species also has a variety of calls .
Text from Wikipedia, licensed CC BY-SA 4.0.
Where it lives
When to see it
Peak activity in October · a resident species across most of its range
Easily confused with
Tropical GnatcatcherPolioptila plumbeaThe adult tropical gnatcatcher is 10 to 12 cm (3.9–4.7 in) long, and weighs 6 to 8 g (0.21–0.28 oz).
California GnatcatcherPolioptila californicaThe male California gnatcatcher is dusky gray overall, distinguished only by its black crown and thin black beak.
White-lored GnatcatcherPolioptila albilorisThe white-lored gnatcatcher is 11 to 12 cm (4.3 to 4.7 in) long and weighs 6 to 9 g (0.21 to 0.32 oz).
Side by side: Blue-grey Gnatcatcher vs Masked Gnatcatcher · Black-tailed Gnatcatcher vs Masked Gnatcatcher · Masked Gnatcatcher vs Tropical Gnatcatcher
Learn the Masked Gnatcatcher for real
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