Byron,

I'm guessing an owl, either Saw-whet or Pygmy. Saw-whets have a fairly fast
repeat rate; those around here in Thurston County remind me of a dump truck
backing up: "beep - beep - beep". They will call continuously for long periods.
The pygmies are more variable, but usually slower than one per second and more
irregular.

Eric Kraig
Olympia, WA
kraig at wln.com

>I live in eastern Washington along the Columbia River northwest of Spokane.

>For the last two week period there has been a bird calling only at night
>with a repeating toot-toot-toot-toot (you get the picture!) call that I
>can best describe as sounding like a note from a pan flute. The note is
>monotone and repeats about once a second. I have listened to it continue
>for as long as 15 minutes. Anyone have any ideas?

>Byron Hukee