Taxonomy conform IOC World Bird List


  • North America, Middle America : Canada to Mexico


  • S. t. pallidus - sc Canada and c, wc USA | to n Mexico
  • S. t. jewetti - sw Canada and nw USA
  • S. t. salicamans - sw USA and nw Mexico
  • S. t. tristis - se Canada and c, e USA | to Mexico
Data Number
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Updated at: 2024-02-18 17:30:48
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