<p>Relatively long legs and splayed hooves allow this caribou to easily migrate a thousand miles round trip each year. It would take humans 10 times the effort to navigate the rivers, mountain, and lumpy tundra.
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Single caribou jogs through shrubs
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/41585865@N06">Western Arctic National Parklands</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/nps_wear/8455152828/">On the Move</a>