Rufous-breasted Flycatcher
Leptopogon rufipectus
The rufous-breasted flycatcher is 13 to 13.5 cm (5.1 to 5.3 in) long; six individuals weighed 10 to 18 g (0.35 to 0.63 oz). The sexes have the same plumage. Adults have a gray crown. Their face is mostly rufous with some gray in the lores and ear coverts and a dusky crescent around the back of the coverts. Their back and rump are olive green. Their wings are dusky with ochraceous or olive yellow edges on the flight feathers. Their wing coverts are dusky with ochraceous tips that show as two indistinct wing bars. Their tail is reddish brown to brownish olive. Voice: The rufous-breasted flycatcher's most heard vocalization is "a loud and emphatic skwee!...sometimes run together into a very fast series of shrill sputtered notes". It also gives "1-5 loud, abrupt, squeaky spiK! notes".
ID text from Wikipedia, CC BY-SA 4.0

Slaty-capped Flycatcher
Leptopogon superciliaris
The slaty-capped flycatcher is 13 to 14 cm (5.1 to 5.5 in) long and weighs 9.5 to 14.8 g (0.34 to 0.52 oz). The sexes have the same plumage. Both subspecies show much plumage variation within them. Adults of the nominate subspecies have a slaty gray crown. They have white lores, a thin white supercilium, and a wide dusky to black crescent around the back of the otherwise mottled whitish face. Their back and rump are dark olive. Their wings are dusky with yellow-green edges on the flight feathers. Voice: The slaty-capped flycatcher's vocalizations apparently fall into three groups. Putative subspecies L. s. transandinus has a dawn song written as "pik..teerrrueet or pik...teerrrr". It also makes a "nagging-sounding two-part call, beginning with a sharply overslurred note and ending with a rapid trill Pik-trrrr" and a "short emphatic pit". L. s.
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: Rufous-breasted Flycatcher and Slaty-capped Flycatcher.