- 18.5–20.1 in
- 23–36 oz
- Black-bellied Tree Duck
- Siffleur à bec rouge, Siffleur à narines jaunes, Dendrocygne àventre noir (French)
- Pichichí, Pijiji, Pichichil, Pichihuili, Yaguasa, Pato chiflador, Pato maizal, Pixixi (Spanish)
- The whistling-ducks were formerly known as tree-ducks, but only a few, such as the Black-bellied Whistling-Duck actually perch or nest in trees. They look most like ducks, but their lack of sexual dimorphism, relatively long-term pair bonds, and lack of complex pair-forming behavior more resembles geese and swans.
Aquatic plants, grass, grain, insects, and mollusks.
- Clutch Size
- 9–18 eggs
- Egg Description
- Condition at Hatching
- Downy young leave the nest soon after hatching.
Usually in tree cavity, without lining. Sometimes a scrape on ground or shallow bowl of woven grasses, with thick vegetation overhead, such as cactus. Uses nestboxes.
Increasing in numbers in the United States.
- James, J. D., and J. E. Thompson. 2001. Black-bellied Whistling-Duck (Dendrocygna autumnalis). In The Birds of North America, No. 578 (A. Poole and F. Gill, eds.). The Birds of North America, Inc., Philadelphia, PA.