#blue_goose__Chen_caerulescens  North American wild goose having dark plumage in summer but white in winter
  supertype:  #goose  web-footed long-necked typically gregarious migratory aquatic birds usually larger and less aquatic than ducks
  member of:  #subgenus_Chen
  subtype:  #snow_goose  blue goose in the white color phase

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