Definition of fulvous whistling-duck
: a chiefly yellowish to reddish brown widespread whistling-duck (Dendrocygna bicolor) typically of tropical and subtropical regions of the Americas, Asia, and Africa that is most active at night
- A fulvous whistling-duck—an incredibly rare species in Indiana—has been reported at Goose Pond …
- —Dawn Hewitt, Herald-Times (Bloomington, Indiana), 4 July 2010
- And we spotted a couple alligators, a green-back heron, several flocks of lingering waterfowl including a flight of fulvous whistling ducks …
- —Corpus Christi (Texas) Caller Times, 3 May 2009
