Pale-edged Flycatcher
Myiarchus cephalotes
The pale-edged flycatcher is 18 to 19 cm (7.1 to 7.5 in) long and weighs about 22 to 31 g (0.78 to 1.1 oz). The sexes have the same plumage. Adults of the nominate subspecies have a brownish olive crown; the crown has a slight crest and slightly darker center feathers that give a streaked appearance. Their face is otherwise pale gray. Their upperparts are olive-green. Their wings are mostly brownish olive with pale whitish to yellow outer edges on the secondaries and tertials. The wing's greater and median coverts have yellowish outer edges and tips; the latter show as two wing bars. Voice: The pale-edged flycatcher's dawn song is described as "a mellow, descending series of whistles: PEE pew-pew-pew-pew" and its calls as "a single, loud KIP!...a quiet, descending du-HEER mellow, rolling chatters". Another description of the song is "a fast piyp! peeyur followed by several peer notes" and a call as "a loud, clear pip or piup repeated over and over".
ID text from Wikipedia, CC BY-SA 4.0

Panama Flycatcher
Myiarchus panamensis
The Panama flycatcher is 19 to 20 cm (7.5 to 7.9 in) long and weighs about 28 to 38.5 g (0.99 to 1.4 oz). The sexes have the same plumage. Adults of the nominate subspecies have a grayish olive crown and upperparts. The crown has a slight crest and is slightly darker in the center, giving a streaked effect. Their face is otherwise gray. Their wings are mostly grayish olive with pale whitish yellow outer webs on the tertials. Their tail is brown with slightly paler outer vanes on the outermost pair of feathers. Voice: The Panama flycatcher's dawn song is "isolated, short, slowly modulated whistles given every 2–3 seconds"; during the day it makes the same song with longer intervals between the whistles. Its calls are "epeated hiccups (normally disyllabic), rasping whistles and rolls in response to intruding conspecifics". In Costa Rica it "histles a clear wheer...
ID text from Wikipedia, CC BY-SA 4.0

Where you might meet both
Learn this pair in the BeakBrain App
Photo and call practice. Coming soon to iPhone and Android.
Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Pale-edged Flycatcher and Panama Flycatcher.