# Brown-Capped Rosy-Finch (*leucosticte australis*)

The Brown-Capped Rosy-Finch (Leucosticte australis) is a hardy passerine bird known for its remarkable adaptation to extreme alpine environments. This species is native to the high peaks of the southern Rocky Mountains, where it thrives in harsh, cold conditions year-round, often foraging around permanent snowfields and glaciers. These social birds are a delight to spot for their striking plumage and their ability to withstand altitudes where few other avian species venture. They are truly emblematic of North American high-altitude wildlife, representing resilience and specialized ecological niches.

- **Category:** [Birds](https://www.snappit.app/explore/categories/bird)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 3
- **Habitat:** Typically found in rugged, barren alpine tundra and subalpine zones, often foraging on rocky slopes, cliffs, and around permanent snowfields or glaciers above the tree line.

![Brown-Capped Rosy-Finch](https://inaturalist-open-data.s3.amazonaws.com/photos/176770782/medium.jpeg)

Photo: Tom Kennedy, CC BY 4.0 · [iNaturalist](https://www.inaturalist.org/photos/176770782)

## Appearance

This medium-sized finch features a distinctive brown crown and nape that contrast with a gray face and throat. Its body plumage is primarily brownish, with a beautiful rosy-pink wash on the belly, flanks, and wing-linings, which becomes more vibrant in breeding males. The back is streaked with black, and it has a relatively short, conical bill suited for seed eating. Its tail is moderately long and slightly forked, and it sports dark legs and feet.

## Taxonomy

- **Kingdom:** Animalia
- **Phylum:** Chordata
- **Class:** Aves
- **Order:** Passeriformes
- **Family:** Fringillidae
- **Genus:** Leucosticte

## Interesting facts

- Brown-Capped Rosy-Finches are part of a 'superspecies' complex with the Gray-Crowned and Black Rosy-Finches, all adapted to similar cold, high-altitude environments.
- The Brown-Capped Rosy-Finch is considered one of North America's highest-dwelling birds, nesting and foraging at elevations exceeding 3,700 meters (12,000 feet) and sometimes much higher.
- These birds are incredibly social outside of the breeding season, forming large flocks of hundreds or even thousands of individuals that move together across the winter landscape.
- Unlike most migratory birds, rosy-finches often move to lower elevations during winter rather than south, making them 'altitudinal migrants'.

## Special abilities

- **Extreme Cold Tolerance:** Brown-Capped Rosy-Finches possess physiological adaptations, including dense plumage and a high metabolic rate, allowing them to survive and forage in temperatures well below freezing, even during harsh alpine winters.
- **Snowfield Foraging:** These finches are adept at foraging for insects that become trapped or frozen on snowfields and glaciers, providing a unique food source in an otherwise barren environment, especially during summer months.
- **High-Altitude Nesting:** They are among the highest-nesting birds in North America, constructing their nests in crevices and under ledges on cliffs in exposed alpine terrain, far above the timberline.

## Measurements & details

- **Length:** 14-16 cm
- **Wingspan:** 28-30 cm
- **Weight:** 0.02-0.03 kg
- **Lifespan:** 3-5 years
- **Speed:** 55 km/h
- **Clutch Size:** 4-6
- **Incubation:** 12-14 days

## Diet & Feeding

The Brown-Capped Rosy-Finch primarily consumes seeds and insects, with its diet varying seasonally based on availability. Seeds form a significant part of their winter diet, while insects are crucial during the breeding season.

- **Primary Foods:** Alpine plant seeds, Weed seeds, Beetles, Flies, Spiders, Caterpillars
- **Foraging Method:** Foraging

## Ecological connections

- **Eaten by:** [Prairie Falcon](https://www.snappit.app/explore/prairie-falcon) (*Falco mexicanus*) — A primary predator that preys on finches in high-alpine environments.
- **Eats:** Alpine Avens (*Geum rossii*) — Consumes various seeds from alpine plants, acting as a seed disperser.
- **Eats:** High-altitude Fly (*various Diptera species*) — Forages on insects, including flies, that are found in alpine habitats.
- **Competitor:** [Gray-Crowned Rosy-Finch](https://www.snappit.app/explore/gray-crowned-rosy-finch) (*Leucosticte tephrocotis*) — Competes for food resources and nesting sites, especially when ranges overlap.

## Safety

**Danger:** 1/5 · Very low

No special safety notes yet.

## Frequently Asked Questions

### How to identify Brown-Capped Rosy-Finch?

Compare the silhouette, bill shape, tail length, wing bars and markings around the eyes. The same small brown bird at your feeder can look quite different in breeding plumage, winter plumage or its first year. Bird Identifier: upload a photo and compare the visible details.

### How long is Brown-Capped Rosy-Finch?

14-16 cm

### What is Brown-Capped Rosy-Finch's wingspan?

28-30 cm

### How much does Brown-Capped Rosy-Finch weigh?

0.02-0.03 kg

### How long does Brown-Capped Rosy-Finch live?

3-5 years

### How fast can Brown-Capped Rosy-Finch move?

55 km/h

### What does Brown-Capped Rosy-Finch eat?

The Brown-Capped Rosy-Finch primarily consumes seeds and insects, with its diet varying seasonally based on availability. Seeds form a significant part of their winter diet, while insects are crucial during the breeding season.

### Where is Brown-Capped Rosy-Finch usually found?

Typically found in rugged, barren alpine tundra and subalpine zones, often foraging on rocky slopes, cliffs, and around permanent snowfields or glaciers above the tree line.

## Where to spot

- [Stratton's Independence Mine and Mill](https://www.snappit.app/guides/places/strattons-independence-mine-and-mill) — Colorado, US · Historic Site

## More Birds

- [Black-crowned Night Heron](https://www.snappit.app/explore/black-crowned-night-heron) (*Nycticorax nycticorax*)
- [Anna's Hummingbird](https://www.snappit.app/explore/annas-hummingbird) (*Calypte anna*)
- [Great Egret](https://www.snappit.app/explore/great-egret) (*Ardea alba*)
- [Blue Jay](https://www.snappit.app/explore/blue-jay) (*Cyanocitta cristata*)

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Source: [Brown-Capped Rosy-Finch: Facts & Places to See — Snappit](https://www.snappit.app/explore/brown-capped-rosy-finch)
