Order: Anseriformes | Family: Anatidae | IUCN Status: Least Concern
Age: Adult | Sex: Unknown | Loc. Patria, Madre de Dios
Age: Adult | Sex: Unknown | Loc. Florida, USA
Age: Adult | Sex: Unknown | Loc. Iquitos area, Peru
Age: Adult & Chicks | Sex: Female & Unknown | Loc. Southern Brazil
Status: The Black-bellied Whistling Duck is a rare resident in Tumbes in rice fields and pools in mangrove forests. Also, it is apparently a resident in the Pacaya Samiria National Reserve. There are scattered sight records of this species in high Andean Lakes and coastal wetlands.
Name in Spanish: Pato-Silbón de Vientre Negro.
Sub-species: Black-bellied Whistling-Duck (Dendrocygna autumnalis) (Linnaeus, 1758).
Meaning of Name: Dendrocygna: Gr. dendros= tree; and cygna, cygnus= related to a swan. autumnalis: L. autumnus, autumni= fall. An arboreal swan-like duck of the fall season.

References:
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- Species range based on: Schulenberg, T. S., D. F. Stotz, and L. Rico. 2006. Distribution maps of the birds of Peru, version 1.0. Environment, Culture & Conservation (ECCo). The Field Museum. http://fm2.fieldmuseum.org/uw_test/birdsofperu on 11/09/2014.