Plain-brown Woodcreeper
Dendrocincla fuliginosa
The plain-brown woodcreeper is 19 to 22.5 cm (7.5 to 8.9 in) long. Males weigh 30 to 50 g (1.1 to 1.8 oz) and females 25 to 46 g (0.88 to 1.6 oz). The species is a medium-sized member of its genus, with a straight medium-length bill and a slight crest. The sexes have the same plumage but females are smaller than males. The nominate subspecies D. f. fuliginosa has a narrow buff supercilium and a faint buff stripe under an otherwise grayish face. Its crown, nape, back, and wing coverts are dull olive-brown; its uppertail coverts and tail are rufous-chestnut. Voice: The plain-brown woodcreeper's song is variously described as a long whinny, rattle, or sputter. It has been put into words as "Whee-hee-he-hah-huh-huh-huh-huh-huh-huh-huh-hu-hu-hu-hu-hu-hu-hoo-hoo-hooh, wee-i-woo!", "keé-keé-keé-kee-kee-kee-kew-kew-kew", and a "long series of sweeping 'weekweekweek---' notes". It makes a wide variety of calls; the most frequent are "peeyk" (or "PWEEK!
ID text from Wikipedia, CC BY-SA 4.0
Ruddy Woodcreeper
Dendrocincla homochroa
The ruddy woodcreeper is 17.5 to 20.5 cm (6.9 to 8.1 in) long. Males weigh 34 to 45 g (1.2 to 1.6 oz) and females 27 to 39 g (0.95 to 1.4 oz). The species is a medium-sized member of its genus, with a straight bill, a short tail, and a large head with a ruffled nape. The sexes have the same plumage. The nominate subspecies has dark rufous to chestnut-brown upperparts with a brighter reddish crown. Its wings, uppertail coverts, and tail are rufous chestnut. The tips of its primaries are dusky. It has grayish lores and eyering and a cinnamon-buff to tawny-ochraceous throat. Voice: The ruddy woodcreeper seldom vocalizes. It does make a "rattle, churring or slightly slurred" song and a variety of calls including "churring, a squeaky 'quink' or 'peach', and a nasal, descending 'deeeeah' or 'tee tee eu' ".
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: Plain-brown Woodcreeper and Ruddy Woodcreeper.