Sporophila hypochroma
The Rufous-rumped Seedeater (*Sporophila hypochroma*) is a small, strikingly marked passerine bird, typically measuring 10-11 cm (4-4.3 inches) in length. Adult males are unmistakable with their glossy black head, upperparts, and wings, vividly contrasted by a brilliant rufous rump and underparts, often featuring a distinct white speculum on the wing. Females and immature birds present a significant identification challenge, appearing duller, largely olive-brown above with buffish underparts,...
Inhabits tall, humid grasslands, often found near marshes, ponds, and wet fields, or at the edges of gallery forests. Primarily occurs in lowlands, generally below 500 meters (1,600 feet) elevation.
Feeds primarily on small grass seeds, particularly those of various Paspalum species, supplemented by some small insects, especially during the breeding season. It forages by gleaning from seed heads.
Diurnal in activity, the Rufous-rumped Seedeater often forages discreetly among dense grass stems, making it challenging to observe despite the male's vibrant plumage. It gleans seeds directly from grass heads, usually while perched, and occasionally consumes small insects. During the breeding se...
The Rufous-rumped Seedeater has a relatively restricted breeding range across southeastern South America, primarily encompassing southern Brazil (Rio Grande do Sul, Santa Catarina, Paraná, São Paulo), eastern Paraguay, Uruguay, and northeastern Argentina (Misiones, Corrientes, Entre Ríos, Santa F...
Near Threatened
- The male Rufous-rumped Seedeater is renowned for its striking contrast of black upperparts and brilliant rufous rump, making it one of the most vividly colored seedeaters. - Despite its vibrant appearance, this species can be remarkably elusive, often staying hidden deep within dense grasslands...