Fasciated Wren
Campylorhynchus fasciatus
The fasciated wren is approximately 19 cm (7.5 in) long; one female weighed 24.9 g (0.88 oz). Both sexes of the nominate have a gray crown, grayish supercilium, and dark gray shoulders, back, and rump. The shoulders have whitish speckles and the rump whitish bars. The tail is barred off-white and blackish brown. The chin is off-white with darker streaks. The whitish chest and belly have heavy dark gray spots and the flanks are barred with dark gray. C. f. pallescens is paler with less distinct markings on the underside. The juvenile also has less well defined markings on its underside. Voice: The fasciated wren is a duet or group singer. Its song is "a series of harsh churring notes interspersed with gurgling notes" . Its call is "a harsh 'churr'" .
ID text from Wikipedia, CC BY-SA 4.0

Spotted Wren
Campylorhynchus gularis
The spotted wren is 17 cm (6.7 in) long and weighs 28.3 to 31 g (1.00 to 1.09 oz). Adults of both sexes have a chestnut crown and rufescent brown shoulders and back with dull black and buffy markings. The tail is gray-brown with darker bars. They have a white supercilium and a brown eyestripe above buffy white cheeks. Their chin, throat, and chest are off-white and the sides of the chest have blackish spots. The belly and lower flanks are buffy with faint barring. Voice: The spotted wren's song has been described as "a series of harsh churring notes" and "a series of unmusical gurgling phrases" . Its call is "a gruff 'cheh-cheh-cheht'" .
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: Fasciated Wren and Spotted Wren.