辨識
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Adults are gray overall with a white head and dark nape. Juveniles are dark sooty-gray with a white mustache stripe. Some variation across range; Rocky Mountain birds are palest. A bird of northern latitudes and high elevations; found in coniferous forests and clearings. Almost always in pairs or small family groups. Known for friendly, inquisitive behavior. Often seen around campgrounds and roadsides, looking for food handouts. Voice consists of variable soft, husky notes.
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