Yellowstone National Park Environment

Fires have always occurred periodically in the Yellowstone ecosystem. Records kept since 1930 show that lightning starts an average of 22 fires each year. Vegetation in the Greater Yellowstone Ecosystem has adapted to fire and in some cases is dependent on the removal of the forest overstory to become established. Other plants growing on the forest floor are adapted to survive at a subsistence level for long periods of time until fires open the overstory.

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Featured Park
Zion National Park, a place home to the Narrows, Canyon Overlook, Emerald Pools, a petrified forest, a desert swamp, springs and waterfalls, hanging gardens, wildflowers, wildlife and more!
Featured Wildlife
The bighorn sheep is the mammalian symbol of Colorado Parks and Wildlife and Colorado's official animal. Colorado is home to the largest population of the species anywhere. The animals are five to six feet long with a tail three to six inches in length.