Mammoth Cave National Park Nonnative Species

Exotic Species: There are two categories of exotic species which have had significant impact on park forests: pathogens and invasive plants. Chestnut Blight and Dutch Elm Disease have virtually eliminated American chestnut and American elm and a similar fungal disease is currently impacting the American Butternut tree. Invasive exotic plant species such as honeysuckle, garlic mustard, kudzu, Microstegium, silver poplar, and Ailanthus out-compete native species and are therefore spreading. With over 1000 species of flowering plants - including 84 tree species - the potential for loss of biodiversity is great.

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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.