Geospizopsis unicolor
The Plumbeous Sierra Finch, *Geospizopsis unicolor*, is a subtly striking high-altitude specialist, measuring approximately 13-16 cm (5-6 inches) in length and weighing 15-25 grams (0.5-0.9 ounces). Its name aptly describes its primary coloration: a uniform dull lead-gray to slate-gray plumage, often with a slightly paler belly, which allows it to blend seamlessly into its rocky, sparse Andean environment. Distinctive field marks include its relatively stout, conical, dark bill and dark legs....
Found in high-altitude Andean grasslands, puna, paramo, and rocky slopes, typically at elevations between 2,500 and 5,000 meters.
Feeds primarily on small seeds from grasses and herbaceous plants, supplemented with small insects, particularly during the breeding season.
Primarily a diurnal species, the Plumbeous Sierra Finch spends most of its active hours foraging on the ground, meticulously gleaning seeds and insects from sparse vegetation and rocky crevices. Outside the breeding season, they often form small, loose flocks, sometimes mixed with other sierra fi...
The Plumbeous Sierra Finch is a resident species found throughout the high Andes of South America, with its extensive range stretching from southern Colombia and Ecuador, south through Peru and Bolivia, into Chile and Argentina. They inhabit the puna and paramo regions, typically above 2,500 mete...
Least Concern
- The Plumbeous Sierra Finch is a true high-altitude specialist, regularly found above 4,000 meters (13,000 feet), where oxygen levels are significantly lower. - Despite its 'finch' common name and appearance, it's actually a member of the tanager family (Thraupidae), showcasing an excellent exam...