Sporophila luctuosa
The Black-and-white Seedeater (Sporophila luctuosa) is a small, striking songbird belonging to the tanager family (Thraupidae), though historically placed with American sparrows. Males are instantly recognizable with their glossy black head, back, wings, and tail, sharply contrasting with pure white underparts and a prominent white wing-speculum; they measure approximately 10.5 cm in length and weigh 8-10 grams. Females, in stark contrast, exhibit strong sexual dimorphism, appearing uniformly...
Found in humid grassy areas, forest borders, clearings, and shrubby pastures, often near water, primarily at elevations between 1000 and 2800 meters, though recorded from 500 to 3300 meters.
Primarily consumes small grass seeds, gleaned directly from stalks, supplemented with a small number of insects.
Black-and-white Seedeaters are diurnal, spending their days actively foraging. Males are highly vocal during the breeding season, delivering their short, high-pitched, warbling songs from prominent perches to defend territories and attract mates. Foraging involves meticulously gleaning seeds dire...
The Black-and-white Seedeater is endemic to the Andes mountain range in South America. Its breeding range extends from the eastern Andes of Colombia and western Venezuela, south through Ecuador and Peru, and into central Bolivia. While largely resident, many populations exhibit altitudinal migrat...
Least Concern
- The genus Sporophila, to which the Black-and-white Seedeater belongs, is notorious among ornithologists for its extensive hybridization, making species identification and taxonomic classification incredibly challenging. - Males are highly prized as cage birds in some parts of their range, which...