The road linking West Thumb and Old Faithful is closed for the season—traffic should detour through West Thumb, Lake, and Canyon.
All spiders are arachnids. The Black Widow Spider is one of the arachnids that lives in Yellowstone.
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Lake trout are an invasive species of fish that is decimating the native cutthroat trout population in Yellowstone Lake.
Last Updated: 09/30/2014