Flitting through in ones, twos, and occasionally threes. Hard to photo!
Big leaf maple?
Very hard, dry , smooth texture.
Largest individual about 18 inches across.
Juvenile Oregon? Slate-colored? Other? How do you tell?
Very small diving bird. Bill seems more duck-like than grebe-like. Did not seem like a ruddy.
Hand-held shot from afar in a turnout about a mile north of Julia Pfeiffer Burns State Park. Note leading underwing and back-pointing vee of light feathers.