Ключевые слова: alpine, american, animal, brown, canadian rockies, chipmunk, closeup, conservation, diurnal, eating, environment, global warming, graze, habitat, herbivore, hiking, mammal, mountain, national, national forest, national park, natural, nature, outdoors, park, pika, portrait, rock, rockys, rodent, screaming, selective focus, travel, vocal, wild, wilderness, wildlife, yellowstone,