About Anas flavirostris Vieillot, 1816
Scientific name: Anas flavirostris Vieillot, 1816 Description The bill that gives this species its name is bright yellow, with a black tip and a black band running along the ridge of the culmen. Anas flavirostris is somewhat similar to the larger yellow-billed pintail, but differs in having a darker head, a shorter neck, and plain grayish sides.