Clark's Grebe
(Aechmorphorus occidentalis)
Photographed in Marin, California by Jim Rosso.
The Clark's Grebe and Western Grebe are very similar. One of the easier ways of separating the two is that the black of the cap on the Western Grebe goes slightly below the eye, while on the Clark's Grebe it goes above the eye. Sometimes this is difficult to see in the field.

Podicipediformes (Grebes)

Natural History Notes

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Other members of the genus Aechmophorus:

Western Grebe

Clark's Grebe
Western Grebe