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

Tawny-winged Woodcreeper
Dendrocincla anabatina
The tawny-winged woodcreeper is 17 to 19 cm (6.7 to 7.5 in) long. Males of the nominate subspecies weigh 34 to 42 g (1.2 to 1.5 oz) and females 29 to 39 g (1.0 to 1.4 oz). The species is a medium-sized member of its genus, with a straight bill, a short tail, and a ruffled nape. The sexes have the same plumage. Adults of the nominate subspecies have a brown head with buffy supercilium and bare gray skin around the eye. Their crown, nape, and back are dark olive-brown and their uppertail coverts and tail are cinnamon-rufous to rufous-chestnut. Voice: The tawny-winged woodcreeper makes a long rattle song described as "whee-whee-whee-whee..." that may last more than a minute. Its calls include "a plaintive 'squirp', 'deyeew', 'cheeuw', and 'tchee-u'." Another rendition of a call is "an emphatic TEAURRR!".
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: Ruddy Woodcreeper and Tawny-winged Woodcreeper.