Black-bellied Gnateater
Conopophaga melanogaster
Large gnateater with striking plumage. Note the bold white eyebrow. Males have a black head and underparts contrasting with chestnut wings and back; on females the black is replaced by gray. Occurs patchily in humid forest with dense understory, especially bamboo, where it forages on the ground and in the understory. The song is a short angry rattle.
Identification
The black-bellied gnateater is 13 to 15.8 cm (5.1 to 6.2 in) long and weighs 37 to 43.5 g (1.31 to 1.53 oz). The male's entire head and most of the under parts are black, becoming dark gray on the lower belly and crissum (the area around the cloaca). Its upper parts are rich chestnut. There is a long white tuft behind the eye. The female's face and most of the under parts are gray. It also has chestnut upper parts, including the neck and crown, but those areas are browner. It has a white throat and a much smaller white tuft behind the eye.
Taxonomy
The position of the black-bellied gnateater in linear format is unsettled. The International Ornithological Committee (IOC) and the Clements taxonomy place it differently within the gnateater family. The species is monotypic.
- Scientific name
- Conopophaga melanogaster
- Authority
- Ménétriés, 1835
- Order
- Passeriformes
- Family
- Conopophagidae
- Genus
- Conopophaga
Range and habitat
The black-bellied gnateater is endemic to Brazil. (A single 1889 specimen from Bolivia has been attributed to this species, but it was described as a different one. No other occurrences of black-bellied gnateater in Bolivia have been reported.) Its range includes two disjunct areas within the south-central Amazon Basin. One population occurs south of the Amazon from the eastern bank of the northeast flowing Madeira River east to the lower Tapajós River and south to the northern parts of Rondônia and Mato Grosso states. The other population also occurs south of the Amazon, between the Xingu River and the lower Tocantins River.<p>The black-bellied gnateater inhabits thick vegetation in terra firme forest. It prefers vine tangles and second-growth palms and bamboo, and appears to favor streamcourses.
- Migration
- Resident species
Behavior
The black-bellied gnateater's diet is arthropods but the details have not been documented. Its breeding phenology has not been described. Its song is a "series of up to 5 short, dry, rattles" [1]. Its call notes are "low grunts, barks, or short rattles" [2].
Conservation
- Population trend
- stable
Photos
Distribution
Bird Calls
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