Black-bellied Whistling-Duck vs Fulvous Whistling-Duck

In short

The Black-bellied Whistling-Duck and Fulvous Whistling-Duck are both medium-sized waterfowl with long necks and legs, but can be distinguished by their plumage. The Black-bellied has a distinctive black belly and a bright pink bill, while the Fulvous is more uniformly tawny with a dark bill. Both species are often found in similar wetland habitats.

Identification tips

• Look for the black belly and pink bill of the Black-bellied Whistling-Duck.
• Note the uniform tawny color and dark bill of the Fulvous Whistling-Duck.
• Check for habitat: Fulvous may be more common in rice fields.
• Listen for the call: Fulvous has a raspy, two-noted whistle.

Size

Both species are similar in size, with a medium build typical of whistling-ducks.

Plumage

The Black-bellied Whistling-Duck features a striking black belly, chestnut upperparts, and a bright pink bill. In contrast, the Fulvous Whistling-Duck is more uniformly tawny or fulvous with a dark bill and lacks the black belly.

Behaviour

Both species exhibit similar behaviors, often seen in pairs or small flocks, and both are known for their whistling calls. They are also both comfortable on land and water.

Habitat

Both species are found in wetland habitats, often in flooded fields or marshes. The Fulvous Whistling-Duck is more closely associated with rice fields, especially during nesting.

Voice

Both species have whistling calls, but the Fulvous Whistling-Duck's call is typically described as a raspy, two-noted whistle.