Oenoptila

Oenoptila is a genus of bird in the family Tyrannidae, the tyrant flycatchers. Currently, it contains only one recognized species, the Rufous Twistwing (Oenoptila rufipennis). This flycatcher is endemic to the Andes mountains of South America, primarily found in Bolivia and Argentina. The name Oenoptila is derived from Greek roots, referring to the reddish-brown (οἶνο- oinos) plumage and the appearance of twisted wingtips characteristic of the species.

Rufous Twistwings are typically found in montane scrub and woodland habitats. They are relatively small flycatchers, known for their distinctive call and behavior, often observed gleaning insects from foliage. The twist in their wingtips is believed to be caused by elongated outer primary feathers, possibly playing a role in display or flight maneuverability.

Further research is ongoing to better understand the population dynamics, breeding behavior, and specific ecological role of the Rufous Twistwing within its Andean ecosystem. Conservation efforts are focused on protecting its habitat from deforestation and other anthropogenic threats.