The Crow, also called the Apsaalooke in their own Siouan language, or Absaroka, are a federally recognized tribe of Native Americans who in historical times lived in the Yellowstone River valley, which extends from present-day Wyoming, through Montana and into North Dakota, where it joins the Missouri River. They had migrated there from Eastern Woodland areas. In turn, they were pushed to the west by the Lakota (Sioux), who took over the territory from the Black Hills of North Dakota to the Big Horn Mountains of Montana. Since the nineteenth century, the people have been concentrated on a reservation established south of Billings, Montana. They also live in several major, mainly western, cities. Tribal headquarters are located at Crow Agency, Montana. The name of the tribe, Apsaalooke [__psa_lo_ke], meaning "children of the large-beaked bird,", was a name given by the Hidatsa, a neighboring Siouan tribe.
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