West Indian Whistling-Duck vs Black Skimmer

In short

The West Indian Whistling-Duck and Black Skimmer are easily distinguished by their distinct habitats and feeding behaviors. The whistling-duck is a waterfowl with a typical duck-like appearance, while the skimmer is a coastal bird with a unique bill adapted for skimming the water surface. Observing their behavior and habitat is key to telling them apart.

Identification tips

1. Habitat: Look for the West Indian Whistling-Duck in freshwater wetlands and the Black Skimmer in coastal areas. 2. Bill Shape: The skimmer's bill is unique with a longer lower mandible, while the whistling-duck has a typical duck bill. 3. Plumage: Note the skimmer's contrasting black and white plumage compared to the mottled brown of the whistling-duck. 4. Behavior: Observe feeding behavior; skimmers skim the water surface, while whistling-ducks dabble. 5. Vocalization: Listen for the whistling of the duck and the barking of the skimmer.

Size

The West Indian Whistling-Duck is a large duck, whereas the Black Skimmer is a medium-sized bird with a longer wingspan relative to its body size.

Plumage

The West Indian Whistling-Duck has a mottled brown plumage with a pale face and throat, while the Black Skimmer is strikingly black above and white below with a distinctive black cap.

Behaviour

The West Indian Whistling-Duck is often seen dabbling or foraging in wetlands, whereas the Black Skimmer is known for its unique feeding behavior of flying low over water with its lower mandible slicing the surface.

Habitat

West Indian Whistling-Ducks are found in freshwater wetlands and mangroves, while Black Skimmers are coastal birds, often seen in estuaries, beaches, and sandbars.

Voice

The West Indian Whistling-Duck is known for its whistling calls, whereas the Black Skimmer has a distinctive dog-like bark.