Mountain Bluebird

Nesting
Mountain bluebirds are cavity-nesting birds and will readily nest in bird houses. Male will scout possible nesting sites, but the female bird ultimately chooses where the nest will be. The female builds the nest with grasses, lining a snug cup with finer grasses, strips of bark, and occasionally soft feathers or fur.

Eggs and Young
The three to eight eggs per brood are plain, pale bluish-white. A mated pair of mountain bluebirds will produce one to two broods per year. The female parent will incubate the eggs for 13 to 14 days, and both parents feed the helpless young chicks for an additional 21 to 23 days.

In areas where mountain bluebird habitat overlaps with the eastern bluebird's, the two species can hybridize.
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