White-faced Whistling-Duck vs Fulvous Whistling-Duck

In short

The White-faced Whistling-Duck and the Fulvous Whistling-Duck are both medium-sized, long-necked ducks with similar silhouettes, but they can be distinguished by their head and body coloration. The White-faced Whistling-Duck has a distinctive white face, while the Fulvous Whistling-Duck is more uniformly brown with a buffy face.

Identification tips

1. Look for the white face on the White-faced Whistling-Duck, which is absent in the Fulvous Whistling-Duck. 2. Note the uniformly fulvous-brown plumage of the Fulvous Whistling-Duck compared to the darker, more contrasting body of the White-faced Whistling-Duck. 3. Consider habitat: Fulvous Whistling-Ducks are more likely in rice fields. 4. Listen for vocalizations, though they can be challenging to distinguish without experience.

Size

Both species are similar in size, with no significant differences in overall body length or wingspan that are easily observable in the field.

Plumage

The White-faced Whistling-Duck has a striking white face and a dark brown body with a blackish chest and back. In contrast, the Fulvous Whistling-Duck is more uniformly fulvous-brown with a buffy face and lacks the stark white facial markings.

Behaviour

Both species exhibit similar behaviors typical of whistling-ducks, such as feeding in shallow waters and being active during both day and night. However, specific behavioral differences are not well-documented.

Habitat

White-faced Whistling-Ducks are often found in freshwater wetlands and ponds, while Fulvous Whistling-Ducks are frequently associated with rice fields and other agricultural wetlands, especially in their northern range.

Voice

Both species produce whistling calls, but the Fulvous Whistling-Duck's call is described as a raspy, two-noted whistle. Detailed vocal differences are subtle and may require experience to discern.