Common Eider vs Common Goldeneye

The Common Eider and Common Goldeneye are both sea ducks but differ significantly in structure and plumage. The Common Eider is larger with a distinctive wedge-shaped bill, while the Common Goldeneye has a more compact body and a shorter, triangular bill. Plumage differences are also notable, especially in males, with the Eider showing a more muted color palette compared to the striking black-and-white contrast of the Goldeneye.

1. Bill Shape: The Common Eider has a wedge-shaped bill, while the Common Goldeneye has a shorter, triangular bill. 2. Male Plumage: Look for the black-and-white contrast and white cheek patch in male Goldeneyes. 3. Size: Note the larger size and bulkier appearance of the Common Eider.

The Common Eider is larger and bulkier compared to the more compact Common Goldeneye.

Male Common Eiders have a muted color palette with pale body and dark cap, while male Common Goldeneyes exhibit a striking black-and-white contrast with a distinctive white cheek patch. Females of both species are more subdued, but the Eider female has a more uniform brown appearance compared to the Goldeneye's grayish body and brown head.