<p>Mule deer, (Odocoileus hemionus) are among the most readily seen mammals on the South Rim of Grand Canyon National Park. Surefooted and nimble, mule deer travel in and out of the canyon with ease as food and water dictate. The earliest trails into the canyon were likely built along deer paths. Mule deer are readily distinguished by their large ears. NPS photo by Michael Quinn
</p><p>Never approach wild animals. Photograph all wildlife from the safety of your vehicle. Use telephoto lenses and observe quietly. It is dangerous, and illegal, to feed wild animals in a national park. Violators will be fined. Wildlife can become dependent upon handouts and lose their ability to hunt and forage. Such animals lose their fear of humans. They can become aggressive and bite, kick, or gore. Many are struck by cars while searching for handouts. Help us keep wildlife wild. Never feed or approach wildlife.
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Read more about keeping wildlife wild. &lt;a href="<a rel="nofollow" class="external free" href="http://www.nps.gov/grca/naturescience/wildlife_alert.htm">http://www.nps.gov/grca/naturescience/wildlife_alert.htm</a>" rel="nofollow"&gt;www.nps.gov/grca/naturescience/wildlife_alert.htm&lt;/a&gt;
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/50693818@N08">Grand Canyon National Park</a>
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<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/grand_canyon_nps/5735635048/">Mule Deer at Grand Canyon National Park D1879</a>