All there - Earth.com

Obviously, these microbes are far from the only living things found throughout Yellowstone. In addition to those tiny organisms, we have a vast array of larger animals to think about. The sheer variety of creatures found there is quite astounding: reptiles, fish, birds, amphibians, and mammals — you name them, you’ll find them! Photo credit: Daniel Mayer/Wikimedia Commons | CC BY-SA 3.0

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