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Browse All : Birds of USA, Colorado, Guanella Pass

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White-tailed Ptarmigan
White-tailed Ptarmigan
2013.21-656-13
[Brittany Whitfield, Al...
35mm black and white ne...
 
title White-tailed Ptarmigan
catalog number 2013.21-656-13
rights Use with permission Denver Museum of Nature and Science
White-tailed Ptarmigan
White-tailed Ptarmigan
2013.21-656-14
[Brittany Whitfield, Al...
35mm black and white ne...
 
title White-tailed Ptarmigan
catalog number 2013.21-656-14
rights Use with permission Denver Museum of Nature and Science
White-tailed Ptarmigans
White-tailed Ptarmigans
2013.21-656-24
[Brittany Whitfield, Al...
35mm black and white ne...
 
title White-tailed Ptarmigans
catalog number 2013.21-656-24
rights Use with permission Denver Museum of Nature and Science
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