My guess: Hutton's Vireo

Linda Barnes/Ed Swan wrote:
>
> This morning on Maury Island several of us saw a flycatcher that was calling
> with a steady call note, ten or twelve in a row about half a second to a
> second apart. The note was about the same tonal quality as the first note of
> quick three beers of an Olive-sided Flycatcher and somewhat reminiscent of the
> tonal quality of a Pgymy Nuthatch but not at all the same cadence.
>
> It was flycatching from Doug fir trees in forest dominated by Pacific Madrone
> with some Doug fir.
>
> Ed Swan
> Vashon Island
> (206) 463-7976

--
Mike Patterson
Astoria, OR
celata at pacifier.com

A child who becomes acquainted with the birds about him
hears every sound and puzzles out its meaning with a cleverness
that amazes those with ears who hear not.

-Neltje Blanchan

http://www.pacifier.com/~mpatters/bird/bird.html