Natural speed please
Rocky Mountain wildlife lives in three dimensions. Their habitats are patchy and diverse. Summer is brief and cool in the high country. Winter brings deep snow, prolonged cold, treacherous travel and, to the unlucky, starvation.
Some, like marmots and black bears, feed and give birth during the green wealth of an alpine summer, then wait out the winter's scarcity by sleeping and pikas, lay in winters supplies of food and take advantage of the insulating snow cover to escape the cold of winter. Still others, like elk and mule deer, migrate out of the high country to wind-blown foothills and the edges of the low-elevation plains where snow stays shallow in winter.
Many 🙏!