About the Straneck's Tyrannulet
Straneck's tyrannulet, also known as the monte tyrannulet and grey-crowned tyrannulet, is a small species of bird in the family Tyrannidae, the tyrant flycatchers. It is found in Argentina, Bolivia, Brazil, Paraguay, and Uruguay.
Text adapted from Wikipedia, licensed CC BY-SA 4.0.
ID tip
Straneck's tyrannulet is 9 to 11 cm (3.5 to 4.3 in) long and weighs 4.4 to 7.5 g (0.16 to 0.26 oz). The sexes have the same plumage. Adults have a gray crown and nape with a hidden bit of white on some black central crown feathers. They have a thin white supercilium, a white crescent under the eye, and a dark gray line through the eye on an otherwise grayish white face. Their upperparts are olivaceous brown. Their wings are dusky brownish gray with lighter edges to most of the flight feathers and two cinnamon to whitish wing bars. Voice: The main vocalization of Straneck's tyrannulet is "a high-pitched but not far-carrying 'twie tirrrrrrrrrrrrrrrrrr', occasionally with the first or second portions emitted alone". Its alarm call is "a more powerful, high-pitched 'tie...tie...tie...tie...' " of three to five notes.
Text from Wikipedia, licensed CC BY-SA 4.0.
Where it lives
When to see it
Peak activity in July · a variable species across most of its range
Easily confused with
Sooty TyrannuletSerpophaga nigricansThe sooty tyrannulet is overall a dark grey colour, with a brownish tinge to its upperparts, paler underparts, and the top of its head being somewhat darker.
River TyrannuletSerpophaga hypoleucaThe river tyrannulet is 10.5 to 12.5 cm (4.1 to 4.9 in) long and weighs 5.5 to 6.7 g (0.19 to 0.24 oz).
Torrent TyrannuletSerpophaga cinereaThe torrent tyrannulet is 9.5 to 12 cm (3.7 to 4.7 in) long; eight individuals weighed an average of 8.3 g (0.29 oz).
Learn the Straneck's Tyrannulet for real
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