Also known as Knob billed duck originating
from central and southern Africa and northern South America. They are
quite shy birds though in the wild may be seen in large flocks outside
the breeding season. The extent of black on the head varies considerably
with the males head being almost totally black in some males. The bird
in the photo below is the male identified by the large comb on the top
of his bill. This is absent in the female. |