Barred Becard
Pachyramphus versicolor
The barred becard is 12 to 13 cm (4.7 to 5.1 in) long and weighs 14 to 17 g (0.49 to 0.60 oz). It is the smallest member of genus Pachyramphus. Adult males of the nominate subspecies have a glossy black crown and nape and greenish yellow lores and eye-ring. Their face is also greenish yellow. Their upperparts are mostly glossy black with a slate gray rump and uppertail coverts. Their wings are black with white edges on the greater coverts and remiges. Their scapulars and lesser and median coverts are white with black edges. Their tail is slate gray with white edges on the feathers. Voice: The barred becard's song has been described as a "rising or rising-falling, accelerating series of thin, high whistles: wur wee WEE-WEE’WEE’WEE-WEE" and its calls as "thin, squeaky wsee notes in a chattered series".
ID text from Wikipedia, CC BY-SA 4.0

Rose-throated Becard
Pachyramphus aglaiae
Rose-throated becards appear large-headed and show a dark gray to black crown or crest. Males tend to be pale gray in drier areas and significantly darker in rainforests, though always remaining countershaded gray. The diagnostic rose-colored throat patch is variable and not present across all populations, with the darkest males in rainforests having none at all. Males also have a hidden white shoulder patch which can be used during courtship, as well as a truncated ninth primary feather, the function of which is unknown.
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: Barred Becard and Rose-throated Becard.