- Sulphur-bellied Tyrant-Manakin
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Sulphur-bellied Tyrant-Manakin Neopelma sulphureiventer Scientific name definitions

David Snow
Version: 1.0 — Published March 4, 2020
Text last updated January 1, 2004

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Introduction

Of this species’ congeners, generally only the range of the Pale-bellied Tyrant-Manakin (Neopelma pallescens) approaches that of the Sulphur-bellied Tyrant-Manakin, although that of the Saffron-crested Tyrant Manakin (Neopelma chrysocephalum) also comes close in northeast Peru. In plumage, the clear pale yellow belly of the Sulphur-bellied Tyrant-Manakin should separate it from the Pale-bellied Tyrant-Manakin, but as always with this genus, it is voice that is probably most useful in species identification. This tyrant-manakin is restricted to southwest Amazonia, in western Brazil to eastern Peru and south to northern Bolivia. It is mainly found below 700 m, but occurs locally to 1,000 m, and the species inhabits seasonally flooded forest, with a special preference for thickets of bamboo or vine tangles in some parts, but it also occurs in semi-deciduous scrub on poor soils in northern Peru.

Field Identification

13–13·5 cm; male 15–19·4g, female 14–16 g. Dull, rather tyrannid-like manakin with relatively long bill and tail. Has pale sulphur-yellow median crownstripe (partly concealed), plain olive-green upper­parts, slightly browner on wings and tail; dull greyish-white throat, greyish-olive upper breast, clear pale sulphur-yellow lower breast and belly; iris pale greyish to creamy or orange-brown; bill brownish; legs greyish. Sexes alike. Juvenile undescribed.

Systematics History

Part of a complex that includes N. chrysocephalum, N. pallescens, N. aurifrons and N. chrysolophum. Differs from N. chrysocephalum and N. aurifrons in characters given under those species; from N. pallescens by its more uniform, less white-streaked throat (1); more olive, less grey breast (2); shorter, narrower, paler yellow crown (2); pale yellow vs whitish-grey belly (ns[1]); shorter wing and tail (at least 1); and nasal wraanh-wraanh vs soft low nasal wraah wra-wra (1) (perhaps only 1); and from N. chrysolophum by its shorter, narrower, paler yellow crown (2); darker olive upperparts and tail (1); longer bill and wing (small sample for chrysolophum but allow 2); and nasal wraanh-wraanh vs chip, chip, dree-zee-zee, zew (1) (4). Monotypic.

Subspecies

Monotypic.

Distribution

CE & SE Peru (SW Loreto and E San Martín S to Madre de Dios), N & C Bolivia (S to Cochabamba and N Santa Cruz) and adjacent parts of W Brazil.

Habitat

Humid forest, especially riverine forest with dense undergrowth, often where bamboo thickets present; to 450 m.

Movement

Presumed resident.

Diet and Foraging

Limited data from stomach contents indicate mainly insectivorous diet; some fruits.

Sounds and Vocal Behavior

Series of 3–4 doubled, hoarse, almost frog-like scolding notes, probably male advertising call.

Breeding

No information. Jun, Aug and Oct specimens from Bolivia were not in breeding condition.
Not globally threatened. Poorly known species. Appears to be uncommon and local. An inconspicuous and shy inhabitant of dense undergrowth, hence is easily overlooked. Occurs in Manu National Park and Biosphere Reserve, in Peru.
Distribution of the Sulphur-bellied Tyrant-Manakin - Range Map
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  • Migration
  • Breeding
  • Non-Breeding
Distribution of the Sulphur-bellied Tyrant-Manakin

Recommended Citation

Snow, D. (2020). Sulphur-bellied Tyrant-Manakin (Neopelma sulphureiventer), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.sbtman1.01
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