Great Gray Owl, on a tree branch, in Yosemite National Park. 烏林鴞, 樹枝上, 優勝美地國家公園

Two juvenile Great Gray Owls

Two juvenile Great Gray Owls sit on a tree branch in Yosemite National Park, on July of 2012. The unique Great Gray Owls of Yosemite National Park, left to evolve after glacial ice separated them from their plentiful Canadian brethren 30 millennia ago, are both a mystery and concern to the scientists charged with protecting them. (AP Photo/National Park Service) #
Yosemite National Park, Closed on Its 123rd Birthday - In Focus - The Atlantic  http://www.theatlantic.com/infocus/2013/10/yosemite-national-park-closed-on-its-123rd-birthday/100600/

(AP Photo/National Park Service)
Great Gray Owls Of Yosemite Studied Through Use Of Digital Audio Recording Software
http://www.huffingtonpost.com/2012/10/22/great-gray-owls-yosemite_n_1998134.html

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