The black color of this duck may be an indication of Black-bellied Whistling-Duck (Dendrocygna autumnalis).
Text from http://www.mbr-pwrc.usgs.gov/id/framlst/i1770id.html
Black-bellied whistling-duck Dendrocygna autumnalis
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Identification Tips:
Length: 13 inches Wingspan: 37 inches
Large, long-legged, long-necked duck
Sexes similar
Adult:
Bright orange bill
Pink legs
Gray face and upper neck with white eye ring
Chestnut cap, nape, lower neck, chest and back
Black belly
White secondary coverts and white bases to the black primaries and secondaries creates a long wing stripe in flight and a visible pale patch at rest
Leading edge of wing chestnut like body
Immature:
Dark gray bill
Dark gray legs
Paler brown body plumage
Gray belly
Similar species:
Immature Fulvous Whistling-Duck could be confused with an immature Black-bellied Whistling-Duck, but has a white flank stripe, dark wings without a wing stripe and a pale rump patch.
Length and wingspan from: Robbins, C.S., Bruun, B., Zim, H.S., (1966). Birds of North America. New York: Western Publishing Company, Inc. |
