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Birds of the North Cascades Institute Environmental Learning Center

Pine Siskin 1
Spinus pinus
American Goldfinch 2
Spinus tristis

Edited by Chris Williams, some rights reserved (CC BY-SA)

Photo Credits

  • 1. (c) Becky Gregory, some rights reserved (CC BY-ND)
  • 2. (c) Glen Peterson, some rights reserved (CC BY-NC-SA)

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