[obol] Wrentit range expansion and intrasigence

[Grant Canterbury]

I heard a wrentit calling a couple of years ago in Polk County while I was biking along Kings Valley Highway southwest of Monmouth.  Did a bit of a double-take to hear that chaparral sound among the Swainson's thrushes singing from the nearby forest.
> From: Norgren Family <gnorgren at earthlink.net>> Subject: [obol] Wrentit range expansion and intrasigence> Then there is the question of where> the Benton and Yamhill County birds came from.> Did they move east from the beach independently?> Or are they part of a northward movement that> originated in Lane County? Was anyone paying> attention to them in Douglas County at the time?> How frequently are they detected in Polk County?> I heard one on the Dallas CBC about 1973 but> didn't report it. I was unfamiliar with the> ratchet call then, which is what I heard. Joel> Geier has mentioned them on Coffin Butte and> maybe E.E. Wilson? This is right on the Polk> County line. 
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