Tanagers (Thraupidae)

Huallaga Tanager (Ramphocelus melanogaster) - HBW 16, p. 186

French: Tangara du Huallaga German: Schwarzbauchtangare Spanish: Tangara del Huallaga
Other common names: Black-bellied Tanager

Taxonomy: Rhamphopis melanogaster Swainson, 1838, Moyobamba, San Martín, Peru.
May form a superspecies with R. dimidiatus, R. carbo and R. bresilius. A geographical replacement of R. carbo, with very slight range overlap in Marañón drainage (no known overlap in Huallaga Valley), and some evidence of intergradation; molecular analysis indicates that levels of divergence between the two (1·1%) are lower than those generally found for other species in genus (2·4–4·0%). Races differ minimally. Two subspecies currently recognized.

Subspecies and Distribution:

  • melanogaster (Swainson, 1838) - N Peru in San Martín and Huánuco (to confluence of R Huayabamba and R Huallaga) S to NW Ucayali (R Ucayali).
  • transitus J. T. Zimmer, 1929 - EC Peru (E slope drainage) in upper Huallaga and Chinchao Valleys.

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