Yellow-billed Duck Anas undulata

African Yellow-billed Duck
African Yellow-billed Duck
The Yellow-billed Duck is native to South and East Africa. The subspecies shown above is the South African Yellow-billed Duck (Anas undulata undulata).
African Yellow-billed Duck
African Yellow-billed Duck
African Yellow-billed Duck
It is larger and darker than other yellow-billed ducks such as the Yellow-billed Pintail, Yellow-billed Teal and Spotbill.
African Yellow-billed Duck The Yellow-billed Duck's "speculum" (wing window) is said to be green, as it appears from this angle . . .
African Yellow-billed Duck . . . but from this angle the speculum appears to show blue (same duck, same time, different angle).
African Yellow-billed Duck "What's up?"