Photo: Dario Sanches from São Paulo, Brazil / CC BY-SA 2.0 (Wikimedia Commons)
Blue-billed Black Tyrant
Knipolegus cyanirostris
Blue-billed Black Tyrant (Knipolegus cyanirostris) — Songbirds & Perching Birds of South America.
Found across 4 guides in our atlas — open any for the full checklist, photos and what's around right now.
The Blue-billed Black Tyrant (Knipolegus cyanirostris) is a member of the Tyrannidae family found in South America. Adults weigh 15.4 g. The IUCN Red List lists it as Least Concern.
Conservation status
IUCN Red List (opens in a new tab)Widespread and abundant — not currently at risk.
Where it fits
- Class Aves
- Order Passeriformes
- Family Tyrannidae Tyrant Flycatchers, Calyptura
- Genus Knipolegus
- Species cyanirostris
Where it lives
Southeastern, southern Brazil, eastern Paraguay, northeastern Argentina and Uruguay
Quick facts
- Weight
- 15.4 g
- Diet
- Invertebrate-eaters
- Family
- Tyrannidae
- Order
- Passeriformes
- Habitat
- Woodland
How to identify
Similar birds
Least Concern
Least Concern
Least Concern
Least Concern
Biology & behaviour
Diet
The Blue-billed Black Tyrant is a invertivore — it feeds mainly on invertebrates such as insects and other small prey.
Behaviour
A bird of semi-open forest, it spends much of its time perched in trees and shrubs.
Migration
The Blue-billed Black Tyrant is partially migratory: some populations move with the seasons while others stay resident year-round.
The Blue-billed Black Tyrant (Knipolegus cyanirostris) belongs to the Tyrannidae family of the order Passeriformes. It occurs naturally across South America. Its distribution covers SA se, s Brazil, e Paraguay, ne Argentina and Uruguay.
It is a small bird. Adults weighs around 15.4 g, with a wing length of about 7.7 cm and a tail of around 6.6 cm.
The IUCN Red List currently assesses it as Least Concern. That category covers species that remain widespread and reasonably abundant in the wild.
Its mapped global range covers an estimated 1.6 million km².
Songs & calls
Frequently asked questions
How big is the Blue-billed Black Tyrant?
The Blue-billed Black Tyrant is a small bird that weighs around 15.4 g.
Where does the Blue-billed Black Tyrant live?
The Blue-billed Black Tyrant is found across South America with a range covering SA se, s Brazil, e Paraguay, ne Argentina and Uruguay, where it favours woodland, forest and well-treed country.
What family does the Blue-billed Black Tyrant belong to?
The Blue-billed Black Tyrant (Knipolegus cyanirostris) belongs to the Tyrannidae family, in the order Passeriformes.
What does the Blue-billed Black Tyrant eat?
The Blue-billed Black Tyrant is a invertivore — it feeds mainly on invertebrates such as insects and other small prey.
Does the Blue-billed Black Tyrant migrate?
The Blue-billed Black Tyrant is partially migratory: some populations move with the seasons while others stay resident year-round.
Is the Blue-billed Black Tyrant endangered?
The IUCN Red List currently assesses it as Least Concern That category covers species that remain widespread and reasonably abundant in the wild.
What sound does the Blue-billed Black Tyrant make?
1 real field recording of the Blue-billed Black Tyrant — including its call — can be played in the Songs & calls section on this page, credited to the recordist who captured it.
How large is the Blue-billed Black Tyrant's range?
The Blue-billed Black Tyrant has a mapped global range of about 1.6 million km².
Conservation
Every bird benefits from bird-safe windows, native plants, and keeping cats indoors. Small changes at home add up to real protection.
Explore more birds
More in Tyrannidae
Least Concern
Least Concern
Least Concern
Least Concern
Least Concern
Least Concern
More in Songbirds
Near Threatened
Extinct
Least Concern
Vulnerable
Least Concern
Guides for this bird
Best Bird Feeders for Garden Songbirds
How to choose a bird feeder for garden songbirds — the feeder styles compared, the seed they prefer, where to hang it, and how to keep birds safe. A decision framework grounded in real data, with no mystery picks.
Meet the Tyrannidae
A field guide to the Tyrannidae family — 444 species in the Birbs encyclopedia, with the best-known members to start with.