| Western vs. Clark's Grebe | |
|
 |
| NOTES: Western and Clark's Grebe were only somewhat recently split into two distinct species. They are very similar, especially in their winter plumage when their primary differentiating characteristic (facial pattern) becomes nearly identical between the two species. Extent of the black cap and bill color differences are clearly visible in the photos above. | |
| WESTERN GREBE | CLARK's GREBE |
| Facial Pattern (summer plumage): Black cap extends below eye. | Facial Pattern (summer plumage): Black cap terminates above the eye, with some white above eye. |
| Bill: Greenish-Yellow | Bill: Orange |
| Body color: Flanks are darker on average than Clark's Grebe | Body Color: Averages more white on flanks than Western Grebe |
| Status: Generally much more common | Status: Generally not as common |
