Hopes are flying away ...
Knob-billed Duck, নকতা হাঁস
Sarkidiornis melanotos
56–76 cm
Resident. Widespread in India, also Nepal lowlands and Bangladesh. ID Whitish head, speckled with black, and whitish underparts with incomplete narrow breast-band. Upperwing and underwing blackish. Male has blackish upperparts glossed with bronze, blue and green, with fleshy ‘comb' at base of bill and yellowish-buff wash to sides of head and neck in summer; comb much reduced in winter. Female much smaller with duller upperparts and no comb. Juvenile has pale supercilium contrasting with dark crown and eye-stripe, buff scaling on upperparts, and rufous-buff underparts with dark scaling on sides of breast. HH Grazes in marshes and wet grassland, also dabbles in shallows. Lowland pools and lakes in well-wooded country. AN Comb Duck
Source: Helm Field Guides
Hopes are flying away ...
Knob-billed Duck, নকতা হাঁস
Sarkidiornis melanotos
56–76 cm
Resident. Widespread in India, also Nepal lowlands and Bangladesh. ID Whitish head, speckled with black, and whitish underparts with incomplete narrow breast-band. Upperwing and underwing blackish. Male has blackish upperparts glossed with bronze, blue and green, with fleshy ‘comb' at base of bill and yellowish-buff wash to sides of head and neck in summer; comb much reduced in winter. Female much smaller with duller upperparts and no comb. Juvenile has pale supercilium contrasting with dark crown and eye-stripe, buff scaling on upperparts, and rufous-buff underparts with dark scaling on sides of breast. HH Grazes in marshes and wet grassland, also dabbles in shallows. Lowland pools and lakes in well-wooded country. AN Comb Duck
Source: Helm Field Guides