Yellowstone National Park: This video covers both native and invasive species of trout that are found in the waters at Yellowstone. The physical characteristics of each of the five species are covered in detail. Cutthroat trout are native and must be released if caught!

Yellowstone National Park: The Yellowstone supervolcano is discussed in this video. The function it serves to geysers throughout the park as well as its potential destructive force are covered.

Yellowstone National Park: Efforts to eradicate three invasive species currently inhabiting Yellowstone are discussed. The species are lake trout, whirling disease parasite, and New Zealand mud snails.