Biscayne National Park Environmental Factors

John Donne wrote that "no man is an island," and the same can be said for National Parks. While all parks are affected to some extent by what goes on in adjacent areas, the situation is magnified in a marine park where water flowing across boundaries can provide easy access for pollutants, exotic species, and large numbers of visitors not confined to traditional throughways like trails and roads.

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Featured Park
Rising above a scene rich with extraordinary wildlife, pristine lakes, and alpine terrain, the Teton Range stands monument to the people who fought to protect it. These are mountains of the imagination. Mountains that led to the creation of Grand Teton National Park where you can explore over two hundred miles of trails, float the Snake River or enjoy the serenity of this remarkable place.
Featured Wildlife
The pika is a close relative of the rabbits and hares, with two upper incisors on each side of the jaw, one behind the other. Being rock-gray in color, pikas are seldom seen until their shrill, metallic call reveals their presence.