Long-tailed Duck vs Smew
Clangula hyemalis versus Mergellus albellus
Play a quiz with Long-tailed Duck and Smew
Long-tailed Duck
Smew
In short
The Long-tailed Duck and Smew are both striking waterfowl, but they can be distinguished by their plumage and tail features. The Long-tailed Duck is notable for its elongated central tail feathers, especially in males, while the Smew has a distinctive 'cracked ice' black and white pattern in males and a rusty brown head in females.
Identification tips
- Tail Feathers: Look for the Long-tailed Duck's elongated central tail feathers, especially in males. 2. Plumage Pattern: Note the Smew's 'cracked ice' black and white pattern in males and rusty brown head in females. 3. Habitat: Consider the habitat; Long-tailed Ducks are more coastal, while Smews prefer freshwater. 4. Vocalization: Listen for the Long-tailed Duck's nasal call.
Size
Both species are relatively small ducks, but the Long-tailed Duck generally appears more compact with its long tail feathers, while the Smew has a sleeker, more streamlined body.
Plumage
Male Long-tailed Ducks have elongated central tail feathers and a bright-pink band around the bill in breeding plumage, with a mix of white and black on the head. Smew males are predominantly snow-white with black 'cracked ice' patterns, while females have a gray body with a rusty brown head and bold white cheeks.
Behaviour
Both species are diving ducks, but the Long-tailed Duck is more often seen in coastal waters during winter, while the Smew prefers freshwater habitats and is a cavity nester.
Habitat
The Long-tailed Duck winters along coastal areas and breeds in tundra regions, whereas the Smew breeds in boreal forests and winters on sheltered coasts or inland lakes.
Voice
The Long-tailed Duck has a distinctive nasal call that can be heard over long distances, especially in coastal wintering areas. Smew vocalizations are less distinctive and not as commonly noted.