Michael Quinton / Clark's Nutcracker (Nucifraga columbiana) feeding on Whitebark Pine (Pinus albicaulis) nuts during snowfall in winter, Idaho
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Oscar Dewhurst / Clark's nutcracker (Nucifraga columbiana) feeding on Pine (Pinus sp) seeds. Grand Teton National Park, Wyoming, USA. September.
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Douglas Herr/ BIA / Clark's Nutcracker (Nucifraga columbiana), Oregon
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Jeff Foott / Woman ringing Clark's nutcracker (Nucifraga columbiana) Wyoming, USA. April 2012.
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Jeff Foott / Woman ringing Clark's nutcracker (Nucifraga columbiana) Wyoming, USA. April 2012.
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Jeff Foott / Clark's nutcracker (Nucifraga columbiana) feeding nestlings, Wyoming, USA. April.
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Jeff Foott / Clark's nutcracker (Nucifraga columbiana) feeding nestlings, Wyoming, USA. April.
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Jeff Foott / Woman ringing Clark's nutcracker (Nucifraga columbiana) Wyoming, USA. April
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Tim Zurowski/ BIA / Clark's Nutcracker (Nucifraga columbiana), Oregon
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Mike Read / Clark's nutcracker (Nucifraga columbiana) Rainbow Corner, Rocky Mountains National Park, Colorado. USA, September.
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Mike Read / Clark's nutcracker (Nucifraga columbiana) juvenile searching for food in pine tree, Lamar Valley, Yellowstone National Park, Wyoming, USA, June.
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Mike Read / Clark's nutcracker (Nucifraga columbiana) two juveniles searching for food in pine tree, Lamar Valley, Yellowstone National Park, Wyoming, USA, June.
