Yellowstone National Park Animals

Most ecosystems in this country cannot be studied in their entirety because of missing members of the animal communities. Ever since wolves were restored to the Greater Yellowstone Ecosystem all of the major players in the ecosystem's intricate web of interactions are back in place, making Yellowstone one of the best locations for ecosystem study on Earth.

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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.