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Historically this subspecies bred in suitable wetland sites throughout the Intermountain West. However, populations declined and the breeding distribution became contracted and fragmented due to the pressures of human settlement (Walkinshaw 1949). Because of these historic declines, the Greater Sandhill Crane was listed as endangered in Washington in 1981, threatened in California in 1983, sensitive in Oregon in 1989, and a British Columbia Blue List species in 1998.
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