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The eastern bluebird (Sialia sialis) is a small North American migratory thrush found in open woodlands, farmlands, and orchards. The bright-blue breeding plumage of the male, easily observed on a wire or open perch, makes this species a favorite of birders.
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.
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Mountain bluebird: Sialia currucoides: 1967 [34] New Hampshire: Purple finch: Carpodacus purpureus: 1957 [35] New Jersey: Eastern goldfinch (American goldfinch) Spinus tristis tristis: 1935 [36] New Mexico: Greater roadrunner: Geococcyx californianus: 1949 [37] New York: Eastern bluebird: Sialia sialis: 1970 [38] North Carolina: Northern ...
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The western meadowlark is the state bird of North Dakota. This list of birds of North Dakota includes species documented in the U.S. state of North Dakota. The list is derived from Checklist of North Dakota Birds produced in April 2021 by the North Dakota Game and Fish Department (NDGFD). The basic NDGFD list contains 420 confirmed and extant species, two extinct species. Three additional ...
He conducted tests and experiments on ways to protect bluebird nest boxes from snakes and other predators. [6] He constructed a snake pit filled with black rat snakes to support his experiments and test predator guards. Results of those tests are referenced in a number of books on bluebirds. [7]: 57–59