A bull elk (Cervus elaphus) keeps an eye on a rival during mating season in Rocky Mountain National Park, Colorado

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Size: 3379px × 2534px
Location: Fall River Road, Rocky Mountain National Park, Colorado, USA
Photo credit: © Ken Barber / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: autumn, bull, cervus, colorado, elaphus, elk, mountain, national, park, rockies, rocky, travel, wapiti, wildlife