Casiornis is a genus of South American birds in the tyrant flycatcher family Tyrannidae.

The genus contains the following two species:[2]

Image Common Name Scientific name Distribution
Rufous casiornis Casiornis rufus Argentina, Bolivia, mid-central Brazil, Paraguay, and northeastern Uruguay
Ash-throated casiornis Casiornis fuscus northeastern Brazil.

References

  1. ^ "Tyrannidae". aviansystematics.org. The Trust for Avian Systematics. Retrieved 2023-07-16.
  2. ^ Gill, Frank; Donsker, David, eds. (2019). "Tyrant flycatchers". World Bird List Version 9.2. International Ornithologists' Union. Retrieved 1 July 2019.