Brown-capped Rosy-Finch illustration
Birdsong field guide

Brown-capped Rosy-Finch

Leucosticte australis

A high-altitude specialist of the southern Rocky Mountains, this finch is distinguished by its chocolate-brown body and vibrant pink highlights on its wings and belly.

What it sounds like

A harsh, buzzy 'chew' or 'peew' call; the song is a series of low, husky, descending warbles.

Reference call, compare with what you heard
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Rec. Andrew Spencer · United StatesCC BY-NC-NDXeno-canto

Field notes

  • It has the most restricted breeding range of any bird in the continental United States, limited to high-peak alpine zones.
  • During the breeding season, adults develop specialized gular (throat) pouches to transport seeds and insects to their chicks.
  • They are obligate snow-foragers, often seen hopping along the edges of melting snowfields to catch wind-blown insects.
  • Nesting occurs in some of the most inaccessible terrain in North America, including deep crevices in vertical cliff faces.
  • Climate change is a primary threat, as the species relies on the specific microclimates provided by retreating alpine glaciers.
Habitat
Alpine tundra, rocky scree slopes, and high-elevation cirques above the treeline.
Range
Southern Rocky Mountains, primarily in Colorado, extending slightly into northern New Mexico and southern Wyoming.

Similar & commonly confused birds

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