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11th Annual Smithsonian Magazine Photo Contest Natural World
"Black Sheep" of the family - Black-billed Magpie on back of California Bighorn Sheep ewe looking for bugs...commensalism in action

"Black Sheep" of the family - Black-billed Magpie on back of California Bighorn Sheep ewe looking for bugs...commensalism in action

Photo Detail
Date Taken: 11.2013
Date Uploaded: 11.2013
Photo Location: Canada
Camera: Canon EOS 7D
Copyright: © Laure Wilson Neish