A Richarson's Ground Squirrel (<i><a href="//commons.wikimedia.org/wiki/Spermophilus_richardsonii" class="mw-redirect" title="Spermophilus richardsonii">Spermophilus richardsonii</a></i>), exhibiting territorial behavior in Fish Creek Park, Calgary, Alberta. Photo by Chuck Szmurlo taken July 9, 2005 with a Nikon D70 and a Nikon 70-200 f 2.8 lens.
No machine-readable author provided. <a href="//commons.wikimedia.org/wiki/User:Cszmurlo" title="User:Cszmurlo">Cszmurlo</a> assumed (based on copyright claims).
CC BY 2.5
No machine-readable source provided. Own work assumed (based on copyright claims).