mountain bluebird migration

Clawson, M.R. The Mountain Bluebird often returns to Southern Idaho from their winter migration to find snow-covered hills and nesting boxes not yet above the snow level. The Mountain bluebird is migratory in the north of its range, but most of the population moves in winter to a lower elevation within its breeding range. The birds travel in flocks of as many 30, sometimes more. To support the Mountain Bluebirds ability to remain sustainable, we provide nesting habitats, sized to birds the size of a mountain bluebird, to replace loss of nesting sites due to land clearing, or other habitat changes. A high percentage of Eastern Bluebirds in North America today nest in birdhouses put up especially for them along "bluebird trails." During migration, they will often stop to feed. This is the most widespread of the three bluebirds. The Mountain Bluebird was once called the Arctic or Ultramarine Blue-Bird — names that recognize its northerly range and the male's vivid sky-blue plumage. This small thrush, about two-thirds the size of an American Robin, is the state bird of Idaho and Nevada. 2005. Ph.D. dissertation, University of Montana, Missoula. Mountain bluebirds and western bluebirds can occasionally be seen together, but they’re easy to tell apart. In an effort to increase the nesting opportunities for Bluebirds, volunteers have erected hundreds of nest boxes in rural Alberta. In northern areas, mountain bluebirds are considered the harbingers of spring. There was nothing the bluebirds could do but move to the country. The Mountain Bluebird is a summer resident (and occasional winter resident) in the western part of the state, only rarely appearing in the east during migration and in the winter months. Movements are also closely linked to the availability of fruit. Western bluebirds have a bold, distinctive brick-red breast with reddish color on their flanks and back as well, whereas mountain bluebirds have only a very faint reddish wash. See the Mountain Bluebird Trails Conservation Society website. The Mountain Bluebird is the most migratory bluebird species, although many individuals simply move locally to southern elevations. Mountain Bluebird Group photo by Laura Packer Big Country Audubon Society ... their northern range by being well established in all available housing when the bluebirds returned from their southern migration. To attract mountain bluebirds, place bird house boxes in large expanses of land or large farms that are between 5,000 and 10,000 feet in elevation. ... and support development of a Trans Continental Bluebird Trail of migration. Mountain Bluebirds are a cavity-nesting species, and they are now often out-competed for nesting sites by non-native House Sparrows and European Starlings. Habitat: Prefers open territory with some trees and other areas that provide nesting cavities and perches, but they are also sometimes found in treeless areas. In the Bozeman area, normal migration periods are March 15 to April 25 and September 20 to October 15 (Skaar 1969). During migration and winter, mountain bluebirds are found in grasslands, deserts, brushy areas, plains and lowlands. ... Citta, J. J. Migration. Although it is mostly "eastern" in our area, its total range extends south to Nicaragua. Population dynamics of Mountain Bluebirds. 199. Mountain Bluebird Nest Box Building. They are able to survive lower temperatures than western bluebirds, thus they are found in colder regions. When they are not nesting, these birds roam the countryside in small flocks. Mountain Bluebird vs. Western Bluebird .

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