Could it be a White-winged Crossbill? Here's a link to a sound file (uses Real
Player):
http://rave.ohiolink.edu/mediafiles/stream/blb/30435.RM
Jim Barrett
Duluth
> From: pastoral at princetonfreechurch.net> To: mou-net at moumn.org; mnbird
> at lists.mnbird.net; wisbirdn at lawrence.edu; BIRDCHAT at
> LISTSERV.ARIZONA.EDU> Date: Fri, 1 Aug 2008 10:30:39 -0500> Subject: [mou]
> RFI - Call Help> > Had a call (song) this morning that I have not heard
> before (16 years of > birding in the Midwest), will attempt to describe.> > I
> was walking in the coniferous section of Blue Hill Trail, Sherburne NWR >
> (near Princeton, MN) when a rolling song started about 100 yards to the east
> > (much louder than the Chipping Sparrows and Red-breasted Nuthatches around
> > me). The song continued as the bird (apparently) flew overhead, stopped >
> twice in the woods (again, apparently at the top of the 40+ foot coniferous >
> trees), then proceeded west.> > The song/call was loud (say, Hairy Woodpecker
> loud) - rolling - stayed on > the same pitch for 3-5 seconds, then would go
> up or down a half step, > calling again on a consistent pitch for another 3-5
> seconds. On most > occasions (perhaps five minutes of listening), it would do
> a two pitch call, > then cease - although on one occasion I counted four
> changes up or down > (during flight). The song was never slurred. The space
> between notes was > similar to a slower Swamp Sparrow's song, but the notes
> themselves were > similar to - of all things - a Red Squirrel.> > I received
> an impression of a medium-sized to larger bird, but never had a > visual -
> and anyone who has listened to a Ruby-crowned Kinglet or Carolina > Wren
> knows how deceptive loudness of calls versus size comparisons can be.> > Any
> input (or questions) would be appreciated.> > Al Schirmacher> Princeton, MN>
> Mille Lacs & Sherburne Counties > > > > ---> This mailing list is sponsored
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