[Tweeters] Black-capped Chickadees sounding like Mountain Chickadees

[Eric Ellingson via Tweeters]

Hello,

I'm wondering if anyone knows much about Black-capped Chickadees sounding
like Mountain Chickadees. I seem to remember reading somewhere that if the
BCCH are raised near the MOCH they can pick up a "dialect". The reason I'm
asking is because two of the Bird Sound Identification apps have given me
MOCH when I definitely don't see them around in the Blaine, WA area. I'm
not saying it is improbable, just not expected.
Merlin has done this before and recently BirdNET gives a 89% confidence
rating. I have a good sonogram showing the sound. Anyway, ideas? Anyone
wanting the recording can DM me.

Eric Ellingson

360-820-6396
esellingson at gmail.com
https://www.flickr.com/photos/ericellingson/
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