Muscisaxicola maculirostris
The Spot-billed Ground Tyrant, Muscisaxicola maculirostris, is a small, unassuming yet charming member of the Tyrannidae family, characteristic of the South American Andes. Measuring approximately 13-14 cm (5.1-5.5 inches) in length and weighing around 18-20 grams, it exhibits a subtle but distinctive plumage: grayish-brown upperparts, a paler grayish-white supercilium, and dull whitish underparts often tinged with buff on the flanks. Its most notable field mark, which gives it its name, is a...
This species primarily inhabits open, high-altitude grasslands, puna, and rocky slopes in the Andes, favoring areas with short vegetation and sparse shrubs. It is typically found at elevations ranging from 2,000 to over 4,500 meters (6,500 to 14,800 feet).
Primarily insectivorous, feeding on a variety of small invertebrates such as flies, beetles, ants, and caterpillars, which it catches by sallying from perches or picking from the ground.
Spot-billed Ground Tyrants are diurnal and typically solitary or found in pairs, though loose groups may form outside the breeding season. They are classic 'ground tyrants,' often perching on prominent rocks, small mounds, or low vegetation, from which they sally forth to catch insects. Their for...
The Spot-billed Ground Tyrant has a wide distribution throughout the Andes mountain range of South America, extending from central Peru southward through Bolivia, Chile, and Argentina, reaching as far south as Tierra del Fuego. In the northern part of its range (Peru, northern Bolivia), populatio...
Least Concern
- The 'spot-billed' in its name refers to a distinct pale yellowish to orange spot at the base of its lower mandible, a key identification feature. - Despite its small size, it is a hardy bird, thriving in the harsh, high-altitude environments of the Andes mountains. - It's a true 'ground tyrant,...