Ducks, Geese and Swans (Anatidae)

Black-bellied Whistling-duck (Dendrocygna autumnalis) - HBW 1, p. 577

French: Dendrocygne à bec rouge German: Rotschnabel Pfeifgans Spanish: Suirirí Piquirrojo
Other common names: Black-bellied/Red-billed Tree Duck, Red-billed Whistling-duck

Taxonomy: Anas autumnalis Linnaeus, 1758, America.
Origin of type specimen unclear, leading to confusion over correct allocation of nominate subspecies; northern race alternatively labelled fulgens.

Subspecies and Distribution:

  • autumnalis (Linnaeus, 1758) - SE Texas to C Panama.
  • discolor P.L. Sclater & Salvin, 1873 - E Panama to South America, S to Ecuador in the W and N Argentina in the E.