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Photo Credit URL: 
https://commons.wikimedia.org/wiki/File:CSIRO_ScienceImage_1677_Close_up_of_a_cow.jpg
Image: 
Photographer: 
Malcolm Paterson
Photographer URL: 
http://www.scienceimage.csiro.au/pages/about/
Attribution Type: 
Creative Commons Attribution 3.0 Unported
Attribution Type URL: 
https://creativecommons.org/licenses/by/3.0/deed.en