Black-necked Grebe vs Clark's Grebe

In short

The Black-necked Grebe and Clark's Grebe can be distinguished primarily by their plumage and bill color. Black-necked Grebes have a more rounded head with a black neck and a dark bill, while Clark's Grebes have a longer neck, a white face, and a yellow-orange bill. Both species are similar in size but differ in habitat preference and vocalizations.

Identification tips

• Bill color: Black-necked Grebe has a dark bill; Clark's Grebe has a yellow-orange bill.
• Face pattern: Black-necked Grebe has a dark face with golden ear tufts; Clark's Grebe has a white face with a distinct black cap.
• Neck color: Black-necked Grebe has a black neck; Clark's Grebe has a white neck.
• Habitat preference: Look for Black-necked Grebes in saline lakes and Clark's Grebes in freshwater habitats.

Size

Both species are similar in size, with no significant difference noticeable in the field.

Plumage

Black-necked Grebes have a black neck and a dark head with a golden ear tuft in breeding plumage. Clark's Grebes have a white face and neck with black extending only to the top of the head, and a white area around the eyes.

Behaviour

Both species exhibit similar behaviors such as diving for food and elaborate courtship displays, but Clark's Grebe may be less numerous and less studied.

Habitat

Black-necked Grebes are often found in saline lakes during migration, while Clark's Grebes prefer freshwater lakes and marshes.

Voice

Vocalizations are not well-documented in the provided notes, but generally, Clark's Grebes have a higher-pitched call compared to the Western Grebe, which might be similar to Black-necked Grebes.