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—Photo courtesy MARK SCHECTERSON Mark Schecterson of Heron, Mont., captured this shot of baby bluebirds waiting to be fed.

—Photo courtesy MARK SCHECTERSON Mark Schecterson of Heron, Mont., captured this shot of baby bluebirds waiting to be fed.

—Photo courtesy MARK SCHECTERSON Mark Schecterson of Heron, Mont., captured this shot of baby bluebirds waiting to be fed.