wild elks grazing along the trail ridge road in rocky mountain national park, colorado, usa

alpine american antler antlers appalachian artiodactyla attraction autumn backcountry beaver boulder brook bugle canadensis cervidae cervus colorado conservation country countryside cow denver diary elks endangered estes grand grass grazing herd horseshoe kawuneeche lake land longs mammal meadows moraine mountain mountains munching national nature north park peak photography rockies rocky rut species spike tail trail traveler trip tundra upper valley vegetation wanderlust wapiti white wildlife young