The lesser whistling duck (Dendrocygna javanica) is a species of whistling duck found in tropical and subtropical regions of the world. It is a small duck, with a length of about 35 cm (14 in) and a wingspan of about 60 cm (24 in). The lesser whistling duck has a brown body with a white belly and a black mask around its eyes. It has a long, thin neck and a short, broad bill. The lesser whistling duck is a vocal bird, and its whistling call can be heard from a long distance away.
The lesser whistling duck is a gregarious bird, and it often forms large flocks. It is a migratory bird, and it breeds in the northern parts of its range during the summer. The lesser whistling duck is a omnivore, and its diet consists of plants, seeds, and insects. The lesser whistling duck is an important part of the ecosystem, and it helps to control the population of insects.
