Hi Josh,Maybe listen to the ALTERNATE song of the Northern Parula...It sounds very similar to what you describe... and is reminiscent of a Cerulean and Black-throated Blue. I have been fooled before.
Much more likely in northern MN
2515 Garthus Road
Wrenshall, MN 55797
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> Date: Sat, 6 Jul 2013 13:18:25 -0500
> From: [log in to unmask]
> Subject: [mou-net] Possible Cerulean Warbler in St. Louis Co.
> To: [log in to unmask]
> The past few days while camping at the National Forest Service Pfeiffer Lake Campground, I
> heard a buzzy warbler song that stumped me. I knew it wasn't the Black-throated Green
> Warbler or Black-throated Blue Warbler as I had a lot of recent exposure to those at
> Temperance River State Park and Oberg Mountain in the last week. The song is 4-5 faster
> buzzy notes ending in a higher singular buzzy note. It wasn't until Roger Schroeder's post
> about the Cerulean in Lyon Co. that I started to study that song. It seems to my wife and
> me to be a match to what we heard.
> I hesitate to post this as I'm not 100% certain and have not got a good look at the bird
> despite much effort. I have seen enough to know it's a warbler-shaped bird. This bird sings
> from the very tops of 30-40 ft tall aspens and birch trees. Its territory is an open stand of
> birch and aspen immediately to the north of the campground host. It can also be found
> along the east-west road to the north of the host near the area mentioned earlier.
> I'm posting this in case someone local wants to check it out and confirm or deny the
> presence of a cerulean before people make the trek. I am running out of time to check it out
> as I leave tomorrow. Pfeiffer is on MN Hwy 1 at mile marker 254. It's about 5 miles west of
> the Y store in Tower.
> While hunting this mystery bird I observed a nesting pair of Blackburnian Warblers, singing
> Northern Parulas, Gray Jays, and an Eastern Kingbird. I also heard a Black-throated Green
> Warbler. It should be good birding even if this bird isn't a cerulean.
> If you have other possible species it could be, let me know.
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