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

White-winged Becard
Pachyramphus polychopterus
The white-winged becard is 14 to 15.5 cm (5.5 to 6.1 in) long and weighs 19.5 to 21 g (0.69 to 0.74 oz). Adult males of the nominate subspecies P. p. polychopterus have a glossy black to almost bluish crown and nape. Their face is slate-gray below the crown and the color wraps around the back of their neck. Their back is mostly glossy black to almost bluish with slate-gray uppertail coverts. Their wings are mostly black with wide white edges on the coverts that show as two wing bars. The wing's secondaries and tertials also have wide white edges. Voice: The white-winged becard's song in Costa Rica is described as "a fast series of sweet chew notes, the first followed by a slight pause". In eastern Ecuador it sings "a pretty and melodic series of mellow notes, e.g. teu, teu, tu-tu-tu-tu-tu-tu" and in the west a slower "teu, teu, teu, teu, ti-teu, teu". In Venezuela it sings "a soft, warbled teeur, tur-tur-tur-turtur? a weak tew te tu tu tu".
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: Barred Becard and White-winged Becard.