The white winged wood duck 18.5.1985

The white winged wood duck is a large duck, with a black body, a white head thickelly spotted with black, conspicuous white patches on the wings and red or orange eyes. Its average length is about 81 cms. The sexes are more or less alike, the male having more gloss on the pulmage and being much larger and heavier. Its voice is distinctive and ghostly, and accounts for the Assamese name 'Deo Hans' or Spirit Duck.