The Mountain Bluebird (Sialia currucoides) is 7 inches long. The male is turquoise blue above, paler below with a whitish belly. The female is brownish grey with blue on the rump, tail and wings.

These birds breed primarily from central Alaska, south in high mountainous areas of the western United States and Canada. They winter from Oregon, Colorado south. During breeding season they prefer open terrain and meadows with scattered trees generally above 5000 feet. In the winter they can be found in open lowlands and desert.

The nest is made of plant material and placed generally in a tree cavity, cliff or bird box. The eggs are pale blue. There are 4 to 6 sometimes 8.

Mountain Bluebirds feed mainly on insects. They can be seen hovering close to the ground when hunting.

These birds are highly migratory. The song is a soft warble. The call a thin few.

Order: Passeriformes | Family: Muscicapidae |
Genus: Sialia | Species: Sialia currucoides