I don't think we're actually talking warbler here.
I think the song you're describing is a thrush, probably
Swainson's Thrush.

lbell at pdx.edu wrote:
>
> Greg and all--that wasn't my original question, you're right. Sorry. I grew
> up in Port Orchard, Wa, and miss the song of a particular warbler...It prefers
> wetlands and swampy areas, and sings mostly at twilight. I heard it last
> summer while camping at the base of Mt. Hood, but other than that, I haven't
> heard it where I live here in Oregon. The song is a beautifully ascending
> little number with an unforgettable lilting cadence.
>
> Laura Smith
> Portland, Oregon
> lbell at pdx.edu

--
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