Black-bellied Wren
Pheugopedius fasciatoventris
Male black-bellied wrens weigh 23.5 to 34.5 g (0.83 to 1.22 oz) and females 19.5 to 28.5 g (0.69 to 1.01 oz). Adults of all three subspecies have a rich chestnut back and tail; the latter has black bars. They have a white supercilium of varying size above a grayish face and are white on the chin, throat, and breast. All three have a black belly, but that of P. f. melanogaster is unmarked while those of the other two subspecies have thin white bars. Voice: Both sexes of the black-bellied wren have large song repertoires; one male was recorded with 38 different songs and a female with 19. Multiple examples are available at Xeno-canto and Cornell's Macaulay Library .
ID text from Wikipedia, CC BY-SA 4.0
Happy Wren
Pheugopedius felix
There is little difference between the sexes as adults. They are fairly typical small wrens, with a black and white striped face, a downward curving bill, chestnut upperparts and cream underparts. Howell and Webb give its length as 12.5 – 14 cm. Voice: Like many wrens, happy wrens produce a complex song, described as a "rollicking, gurgling whistle." Songs are less varied among island populations. Pairs of happy wrens primarily use their duet songs for cooperative territory defense.
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-bellied Wren and Happy Wren.