Black-bellied Whistling-Duck vs Lark Bunting

In short

The Black-bellied Whistling-Duck and Lark Bunting are easily distinguished by their habitat and appearance. The whistling-duck is a waterfowl with a distinctive black belly and pink bill, while the Lark Bunting is a grassland sparrow with a striking seasonal plumage change in males. Observing their environment and plumage will quickly separate these two species.

Identification tips

1. Habitat: Look for Black-bellied Whistling-Ducks near water and Lark Buntings in open grasslands. 2. Size and Shape: The whistling-duck is much larger with a long neck and legs. 3. Plumage: Note the black belly and pink bill of the whistling-duck, and the seasonal plumage change in male Lark Buntings. 4. Vocalization: Listen for the whistling-duck's high-pitched calls and the Lark Bunting's flight songs.

Size

The Black-bellied Whistling-Duck is considerably larger than the Lark Bunting, as it is a duck compared to a sparrow-sized bird.

Plumage

The Black-bellied Whistling-Duck has a black belly, chestnut body, and pink bill, while the Lark Bunting male in breeding plumage is black with white wing patches, and in non-breeding plumage, it is brown and streaked.

Behaviour

The Black-bellied Whistling-Duck is often seen in flocks near water, while the Lark Bunting is more solitary or in small groups in grasslands.

Habitat

Black-bellied Whistling-Ducks are found near water bodies like ponds and marshes, whereas Lark Buntings inhabit open grasslands and prairies.

Voice

The Black-bellied Whistling-Duck is known for its high-pitched whistling calls, while the Lark Bunting has two distinct flight songs, especially during breeding displays.