Blue-billed Black Tyrant vs White-winged Black Tyrant

Blue-billed Black Tyrant

Knipolegus cyanirostris

Small15 gForest

The blue-billed black tyrant is 14.5 to 15 cm (5.7 to 5.9 in) long. Adult males are almost entirely glossy black but for faint white edges on the underside of their remiges. Adult females have mostly rufous-brown upperparts. Their crown is a brighter rufous, their rump rufous, and their tail coverts bright cinnamon. Their wings are blackish with buff to cinnamon edges on the coverts that show as two wing bars. Their tail is dusky with rufous edges to the feathers. Their underparts are mostly whitish to yellowish white with heavy blackish brown streaks and their crissum is cinnamon-rufous. Voice: The blue-billed black tyrant is not highly vocal. Its call is an "extr. high, staccato whic".

ID text from Wikipedia, CC BY-SA 4.0

Photo: Fornés Sebastián Fornés · CC BY 4.0

White-winged Black Tyrant

Knipolegus aterrimus

Small20 gShrubland

The white-winged black tyrant is 16 to 18 cm (6.3 to 7.1 in) long. Adult males of the nominate subspecies are almost entirely shiny black. Their wings have a wide white band on the inner webs of the primaries and secondaries that is very conspicuous in flight but usually hidden when perched. Adult females have a mostly grayish brown head and upperparts with a slightly darker crown, whitish mottling on the face and lores, and a bright cinnamon-rufous rump.

ID text from Wikipedia, CC BY-SA 4.0

Photo: José Nicolás Amuchastegui · CC BY 4.0

Photos and recordings are credited to their authors under the licence shown. Full profiles: Blue-billed Black Tyrant and White-winged Black Tyrant.