Lesser Scaup vs Spectacled Eider

In short

The Lesser Scaup and Spectacled Eider are both waterfowl but differ significantly in appearance and habitat. The Lesser Scaup is a diving duck with a more subtle plumage, while the Spectacled Eider is known for its distinctive facial markings resembling spectacles.

Identification tips

1. Look for the white spectacles on the Spectacled Eider, absent in Lesser Scaup. 2. Note the habitat: Lesser Scaup in freshwater, Spectacled Eider in coastal areas. 3. Compare size and bulk: Spectacled Eider is larger. 4. Observe plumage details: Lesser Scaup males have a purplish sheen on the head, while Spectacled Eiders have distinctive facial markings.

Size

The Spectacled Eider is generally larger and bulkier than the Lesser Scaup.

Plumage

Lesser Scaup males have a black head with a purplish sheen, gray back, and white flanks. Females are brown with a white patch at the base of the bill. Spectacled Eiders have unique white 'spectacles' around their eyes; males are striking with a green head and white back, while females are mottled brown with less distinct spectacles.

Behaviour

Both species are diving ducks, but Spectacled Eiders are more often found in coastal marine environments, especially during winter.

Habitat

Lesser Scaups are typically found in freshwater lakes and ponds, while Spectacled Eiders prefer coastal marine environments, particularly in the Arctic.

Voice

Vocalizations are not a primary distinguishing feature between these species in the field.