Black-striped Woodcreeper
Xiphorhynchus lachrymosus
The black-striped woodcreeper is 21.5 to 25 cm (8.5 to 9.8 in) long and weighs 51 to 66 g (1.8 to 2.3 oz). It is a medium-sized member of genus Xiphorhynchus, with a longish, nearly straight, bill with a slight droop at the tip. The sexes have the same plumage. Adults of the nominate subspecies have a brownish black face with buff streaks and no distinct supercilium. Their crown and nape are brownish black with buffy teardrop spots and wide streaks. Their back and scapulars are also brownish black with wider and deeper buff streaks. Voice: The black-striped woodcreeper's song is "a soft, descending whinny...clear whistles that begin slowly, speed up, then slow at end, 'wi, di, di, di, di-di-di-di-di-di, di, di, dew'.
ID text from Wikipedia, CC BY-SA 4.0

Lesser Woodcreeper
Xiphorhynchus fuscus
The striped woodcreeper is a small, slim member of its genus, with a longish, slim, slightly decurved bill. The species is 15 to 18.5 cm (5.9 to 7.3 in) long and weighs 15.5 to 25 g (0.55 to 0.88 oz). The sexes have the same plumage. Adults of the nominate subspecies have a mostly dusky face with a wide creamy to yellowish buff supercilium and often a pale eyering. Their crown and nape are blackish brown with small yellowish buff to cinnamon spots on the crown. The spots become streaks on the nape and sides of the neck and weakly continue onto the upper back. Voice: The lesser woodcreeper's song is a "fast, sharp rattle, stuttered at end"; the nominate subspecies' song also stutters at the beginning. It has been put into words as "chit, chit, chit, chee-ee-ee-ee-ee-ee-ee, chit, chit-chit." Its calls include a "very high, sharp 'fieet fieet' " and "doubled 'peep, peesp' and single 'speel' or 'wik' ".
ID text from Wikipedia, CC BY-SA 4.0
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Black-striped Woodcreeper and Lesser Woodcreeper.