How do you identify a Blue-billed Black Tyrant?

The blue-billed black tyrant is 14.5 to 15 cm (5.7 to 5.9 in) long. Full identification notes are on this page.

How big is a Blue-billed Black Tyrant?

The Blue-billed Black Tyrant is a small sized bird weighing about 15 g.

Where can you see a Blue-billed Black Tyrant?

The Blue-billed Black Tyrant occurs in 4 countries, including Brazil, Argentina, Uruguay and Paraguay.

What birds look similar to a Blue-billed Black Tyrant?

The Blue-billed Black Tyrant is most easily confused with the Crested Black Tyrant, the Velvety Black Tyrant and the White-winged Black Tyrant.

Is the Blue-billed Black Tyrant endangered?

The Blue-billed Black Tyrant is listed as Least Concern on the IUCN Red List.

Blue-billed Black Tyrant

Knipolegus cyanirostris

Tyrant Flycatchers and Allies · Passeriformes · Rare

The Blue-billed Black Tyrant (Knipolegus cyanirostris) is a rare tyrant flycatcher found in 4 countries, weighing about 15 g. The blue-billed black tyrant is a species of bird in the family Tyrannidae, the tyrant flycatchers.

Least ConcernRareEats invertebratesforestcup nest15 g

Blue-billed Black Tyrant (Knipolegus cyanirostris), photo 1 — Photo: no rights reserved, uploaded by Diego Carús · cc0

Blue-billed Black Tyrant (Knipolegus cyanirostris), photo 2 — Photo: filipeprates · http://creativecommons.org/licenses/by/4.0/

Blue-billed Black Tyrant (Knipolegus cyanirostris), photo 3 — Photo: filipeprates · http://creativecommons.org/licenses/by/4.0/

Blue-billed Black Tyrant (Knipolegus cyanirostris), photo 4 — Photo: Daniel S. Katz · http://creativecommons.org/licenses/by/4.0/

Blue-billed Black Tyrant (Knipolegus cyanirostris), photo 5 — Photo: Fornés Sebastián Fornés · CC BY 4.0

Blue-billed Black Tyrant (Knipolegus cyanirostris), photo 6 — Photo: filipeprates · http://creativecommons.org/licenses/by/4.0/

Blue-billed Black Tyrant (Knipolegus cyanirostris), photo 7 — Photo: filipeprates · http://creativecommons.org/licenses/by/4.0/

Blue-billed Black Tyrant (Knipolegus cyanirostris), photo 8 — Photo: filipeprates · http://creativecommons.org/licenses/by/4.0/

Blue-billed Black Tyrant (Knipolegus cyanirostris), photo 9 — Photo: filipeprates · http://creativecommons.org/licenses/by/4.0/

Blue-billed Black Tyrant (Knipolegus cyanirostris), photo 10 — Photo: filipeprates · http://creativecommons.org/licenses/by/4.0/

About the Blue-billed Black Tyrant

The blue-billed black tyrant is a species of bird in the family Tyrannidae, the tyrant flycatchers. It is found in Argentina, Brazil, Paraguay, and Uruguay.

Text adapted from Wikipedia, licensed CC BY-SA 4.0.

How to identify it

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".

Where it lives

Brazil Argentina Uruguay Paraguay

When to see it

Best months: March, April, May, June, July, August, September, October, November, December, with peak activity in October. It is a variable species across most of its range.

Easily confused with

Quick questions

How do you identify a Blue-billed Black Tyrant?: The blue-billed black tyrant is 14.5 to 15 cm (5.7 to 5.9 in) long. Full identification notes are on this page.
How big is a Blue-billed Black Tyrant?: The Blue-billed Black Tyrant is a small sized bird weighing about 15 g.
Where can you see a Blue-billed Black Tyrant?: The Blue-billed Black Tyrant occurs in 4 countries, including Brazil, Argentina, Uruguay and Paraguay.
What birds look similar to a Blue-billed Black Tyrant?: The Blue-billed Black Tyrant is most easily confused with the Crested Black Tyrant, the Velvety Black Tyrant and the White-winged Black Tyrant.
Is the Blue-billed Black Tyrant endangered?: The Blue-billed Black Tyrant is listed as Least Concern on the IUCN Red List.

Learn the Blue-billed Black Tyrant for real

BeakBrain drills you on photos and calls until you can greet this bird by name in the field. Free to play, on any device.

Play BeakBrain

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