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Adult female in Livermore, California. The western bluebird is a small stocky bird with a length of 15 to 18 cm (5.9 to 7.1 in). The adult male is bright blue on top and on the throat with an orange breast and sides, a brownish patch on back, and a gray belly and undertail coverts.
Predators of young bluebirds in the nests can include snakes, cats, and raccoons. Bird species competing with bluebirds for nesting locations include the common starling, American crow, and house sparrow, which take over the nesting sites of bluebirds, killing young, smashing eggs, and probably killing adult bluebirds. [6] Male western bluebird
A male eastern bluebird clings to the opening of the pair's chosen nest box. Bluebirds have two or three nestings per year so do not give up trying to attract them.
If you are allowing them to nest you would do bluebirds a big favor by refraining from putting any nest boxes up! Three or four broods of house sparrows can produce 20-30 young house sparrows ...
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The California quail is the official state bird of California. This list of birds of California is a comprehensive listing of all the bird species seen naturally in the U.S. state of California as determined by the California Bird Records Committee (CBRC). [1] Additional accidental and hypothetical species have been added from different sources.
[17] [19] A similar field observation notes a violet-green swallow laying an egg in an active bluebird nest box. Initially, the male bluebird attempted to drive the swallow from the nest cavity, while the female bluebird did not seem concerned with the intruder. It appeared the bluebirds tolerated the act of egg-dumping by the violet-green ...
Speaking of bluebirds, it is not too late to have a pair of bluebirds start a nesting right now. If you have been ignoring your bluebird nesting boxes for the last several weeks, go out there to ...