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The greenish tyrannulet is a species of bird in subfamily Elaeniinae of family Tyrannidae, the tyrant flycatchers. It is found in Argentina, Brazil, Paraguay, and Uruguay.
Text adapted from Wikipedia, licensed CC BY-SA 4.0.
ID tip
The greenish tyrannulet is 12 to 13.5 cm (4.7 to 5.3 in) long and weighs 10 to 12 g (0.35 to 0.42 oz). The sexes have the same plumage. Adults have a bright olive crown, nape, back, and rump. They have white lores and supercilium, an olive line through the eye, and whitish ear coverts with faint darker speckles. Their wings are dusky with pale yellowish edges on the flight feathers and the ends of the coverts; the last show as two bars on the closed wing. Their tail is dusky. Their throat is whitish and their underparts yellow with faint olive streaks on the breast and sides. Voice: The greenish tyrannulet's song is a "high, sharp, very short, nervous, twittering almost-trill (level, slightly rising or lowering, then rising)". It has been written as "chk-chk-chk-chk-chk-cheee-eeee-eeee-eeee-chu-choo". Another vocalization is a "low, chattered, fast 'piurrr' ".
Text from Wikipedia, licensed CC BY-SA 4.0.
Where it lives
When to see it
Peak activity in October · a variable species across most of its range
Easily confused with
Sclater's TyrannuletPhyllomyias sclateriSclater's tyrannulet is 11.5 to 12.5 cm (4.5 to 4.9 in) long.
Plumbeous-crowned TyrannuletPhyllomyias plumbeicepsThe plumbeous-crowned tyrannulet is about 11.5 cm (4.5 in) long.
Reiser's TyrannuletPhyllomyias reiseriReiser's tyrannulet is 11 to 11.5 cm (4.3 to 4.5 in) long and weighs 7 to 8 g (0.25 to 0.28 oz).
Learn the Greenish Tyrannulet for real
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