Carbonated Sierra-Finch Phrygilus carbonarius

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The Carbonated Sierra-Finch is an endemic species to Argentina. It breeds in shrubby areas of central to northern Patagonia, and some move farther north into the Monte Desert and southern Chaco in the non-breeding season. In some respects it is most similar to the Mourning Sierra-Finch (P. fruticeti) although the Carbonated is a smaller and daintier species. Male Carbonated Sierra-Finches are blackish-gray, becoming blackish through wear, although solidly black on the face and underparts. Their back begins brownish-gray with blackish streaks, becoming more grayish as they wear. The most attention grabbing feature is the bright yellow bill, a rather long bill with a curved culmen. In many ways it is a smaller and darker version of the Mourning Sierra-Finch, although the Carbonated lacks obvious wingbars. Its song is given accompanied by a flight display where male ascends as high as 15 m, and descends in a gliding flight giving a two second long high pitched buzzy trill “tz-tz-tz-tz-tzee-tzee-tzee.”

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Song

© Natxo Areta

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  • Year-round
  • Migration
  • Breeding
  • Non-Breeding

Recommended Citation

Carbonated Sierra-Finch (Phrygilus carbonarius), In Neotropical Birds Online (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. retrieved from Neotropical Birds Online: https://neotropical.birds.cornell.edu/Species-Account/nb/species/casfin1