Where is the persistent, tiny breeding habitat of the Kirtland's Warbler primarily known to be confined?

Answer

Northern Lower Peninsula of Michigan

While first identified in Ohio, the bird's persistent, tiny breeding habitat is now known to be confined almost exclusively to a small region of the northern Lower Peninsula of Michigan.

Where is the persistent, tiny breeding habitat of the Kirtland's Warbler primarily known to be confined?

#Videos

I Tracked Down the RAREST Warbler in the United States! - YouTube

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