Definition of mountain bluebird
: a bluebird (Sialia currucoides) of western North America having a blue-breasted rather than red-breasted male
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Idaho's state bird status goes to the much less-threatening mountain bluebird.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mountain bluebird.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of mountain bluebird
1861
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