Amazonian Plain Xenops
Xenops genibarbis
The Amazonian plain xenops has a wedge-shaped, fairly stubby, and slightly upturned bill. The sexes are alike. Adults of the nominate subspecies X. g. genibarbis have a conspicuous buff or whitish supercilium and a wide pure white malar stripe. Their upperparts are dull brown to rufous brown and unstreaked; their crown is darker and lightly streaked. Their tail is cinnamon with much black. Their wings are also cinnamon, with a wide ochraceous band on the flight feathers. Their throat is pale with olivaceous edges to the feathers. Voice: The song of the Amazonian plain xenops has some geographical variation. It has been variously described as "a very fast chattering trill, accelerating then slowing at end, dit dit dit-dit 'dt'd'd'd'd'd'd'd'd'a'a'a" (Colombia) and "a slightly descending, slightly accelerating, series of high, lisping, rising notes, usually a pause before the last note: wisst wisst-wisst-wisst-wisst wisst" (Peru).
ID text from Wikipedia, CC BY-SA 4.0
Streaked Xenops
Xenops rutilans
The streaked xenops is about 12 to 13 cm (4.7 to 5.1 in) long and weighs 10 to 15 g (0.35 to 0.53 oz). Its bill is wedge-shaped, short, and thick. The sexes are alike. The nominate subspecies X. r. rutilans has somewhat variable plumage. Adults generally have a conspicuous buff supercilium and a pure white malar stripe on an otherwise brownish face with some darker and lighter highlights. Their crown is dark brown with rufous streaks.
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Amazonian Plain Xenops and Streaked Xenops.