Gray wolves (Canis lupus) from Canada, these were the first to call Yellowstone home since the creatures were hunted out of existence there early in the 20th century.

 
  • 从20世纪初,黄石公园的灰狼被猎杀殆尽以来,这些来自加拿大的北美灰狼(Canislupus)是首次以黄石公园为家的狼群。
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