Common Goldeneye vs Smew

In short

The Common Goldeneye and Smew are both diving ducks with distinct plumage differences. The Common Goldeneye has a more rounded head and a distinctive white cheek patch, while the Smew is known for its striking black and white 'cracked ice' pattern in males and rusty brown head in females.

Identification tips

1. Look for the white cheek patch on the Common Goldeneye. 2. Note the 'cracked ice' black and white pattern on male Smews. 3. Observe the head shape: Common Goldeneyes have a more rounded head. 4. In females, check for the rusty brown head of the Smew versus the brown head of the Common Goldeneye.

Size

Both species are similar in size, but the Common Goldeneye is slightly bulkier.

Plumage

Common Goldeneye males have a dark head with a prominent white cheek patch, while females are brown with a less distinct cheek patch. Smew males exhibit a striking black and white pattern, while females have a gray body with a rusty brown head and bold white cheeks.

Behaviour

Both species are diving ducks, but the Smew is noted for its energetic diving and longer submersion times.

Habitat

Common Goldeneyes are found in boreal forests near freshwater lakes and rivers, while Smews prefer dense boreal forests and migrate to temperate regions in winter.