Blue-billed Black-Tyrant
Knipolegus cyanirostris
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.
- Scientific name
- Knipolegus cyanirostris
- Family
- Tyrant Flycatchers
- IUCN status
- LC