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During the last 60 years, bluebird numbers have decreased 90 percent in the eastern United States. Finding suitable nest sites is perhaps the most severe problem the bluebird faces today. Allowing trees to mature and develop natural cavities takes too long. A much quicker solution is to provide man-made wooden nest boxes. When bluebird nest boxes are placed in good areas, bluebird populations increase rapidly. Eastern Bluebirds can be found east of the Rockies, throughout the eastern United States and Canada, and down to central Mexico. Some populations are year-round residents, but others migrate to more southerly latitudes for the winter. Eastern Bluebirds are found in suburban and rural habitats containing sparse vegetation and scattered trees or other perches. They typically nest in fields, meadows, and orchards, avoiding both densely wooded and congested residential areas. The breeding season begins anytime from mid-March to early April. Mount Eastern Bluebird nest boxes so the entrance hole is approximately five feet above the ground. If possible, face the nest box away from prevailing winds and facing towards a tree or shrub which is within 100 feet of the nest box. Trees and shrubs provide a landing spot for the young bluebirds when they first leave the nest box. This will keep them off the ground, away from predators. Eastern Bluebird nest boxes should be spaced at least 100 to 150 yards apart.
Mountain Bluebirds are found in the western parts of Canada and the United States. They are found at elevations above 5,000 feet, and they nest in open areas such as meadows, hayfields, grain fields, savannas, prairies, clear cuts, and the edges of coniferous and deciduous forests. The beginning of the breeding season varies with latitude; birds in the southern portion of the range begin in early April, birds in northern latitudes begin in late May. Mountain Bluebirds reuse old nest sites both within a breeding season and in successive breeding seasons. Pairs that successfully raise a brood in a nest box may become faithful to that particular type of nest box. First-year breeding birds tend to nest in boxes identical to their natal box. Mount Mountain Bluebird nest boxes so the entrance hole is approximately five feet above the ground. If possible, face the house away from prevailing winds and facing towards a tree or shrub which is within 100 feet of the nest box. Trees and shrubs provide a landing spot for the young bluebirds when they first leave the nest box. This will keep them off the ground, away from predators. Mountain Bluebird nest boxes should be spaced at least 300 yards apart.
Western Bluebirds can be found in the Southwest and all along the West Coast of the United States. This species is generally residential but moves to lower elevations for the winter months. Western Bluebirds breed in open habitats with scattered trees, such as farmland, orchards, and the edges of open coniferous and deciduous forests. Their breeding season can begin anytime from early April to early May. Mount Western Bluebird nest boxes so the entrance hole is approximately five feet above the ground. If possible, face the nest box away from prevailing winds and facing towards a tree or shrub which is within 100 feet of the house. Trees and shrubs provide a landing spot for the young bluebirds when they first leave the nest box. This will keep them off the ground, away from predators. Western Bluebird nest boxes should be spaced at least 300 yards apart.
Dimensions: 11" high x 6-1/2" wide x 9-1/2" deep
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