Grey-breasted Wood Wren
Henicorhina leucophrys
The nominate subspecies of grey-breasted wood wren is 10 to 11.5 cm (3.9 to 4.5 in) long and weighs 13.5 to 17.7 g (0.48 to 0.62 oz). Its crown feathers are dull black with dark brown tips. Its nape and shoulders are a dark olive brown and its lower back, rump, and tail chestnut brown. The tail has blackish bars. It has a long gray-white supercilium, a wide black stripe behind the eye, and black cheeks streaked with pale gray. Its chin and throat are pale gray, the chest and belly a darker gray, and the sides of the belly and the lower flanks a dark buff. Voice: The songs and calls of the grey-breasted wood wren vary considerably across its range. In general the songs are "a series of very loud, ringing, energetic musical phrases, frequently repeated". It sings "virtually year-round and throughout the day, in all types of weather" and is "far more commonly heard than seen."
ID text from Wikipedia, CC BY-SA 4.0

Munchique Wood Wren
Henicorhina negreti
The Munchique wood wren is 10.8 to 11.7 cm (4.3 to 4.6 in) long and weighs 15.2 to 16.7 g (0.54 to 0.59 oz). The adult has a dark brown crown with blackish marks, a thin white supercilium, a dull black line from the lores through the eye, and blackish cheeks with whitish mottling. Its upperparts are a slightly brighter brown than the crown and its tail is brown with black bars. The throat is white, streaked with black at its lower edge. The breast is medium gray, the belly a lighter gray, and the flanks and vent area brown. The abdomen and flanks have dark gray to black bars. Voice: The Munchique wood wren's song is "phrases of 6–12 pure notes... typical song containing more than ten repeated phrases". Its calls are "mostly churrs, similar to those of congeners."
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: Grey-breasted Wood Wren and Munchique Wood Wren.