Mountain Bluebird

Sialia currucoides

The Mountain Bluebird ranges from Mexico in the winter to as far north as Alaska, throughout the western U.S. and Canada. Of all North American bluebirds (genus Sialia), none are so blue as this bird.

Like their cousins, the Eastern and Western Bluebirds, these birds depend on cavities to raise their offspring. Competition for natural cavities has always been fierce among species such as wrens, woodpeckers, titmice, chickadees, and other birds. With the introduction of Starlings and House Sparrows in the late 1800s, it tipped the scales adversely for all native cavity nesting species. Fortunately, the use of man-made nest boxes has brought back some balance, and benefitted birds such as these Bluebirds.

Science believe these birds are monotypic (no subspecies recognised).

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