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

Hawai'i Volcanoes NP: This video covers many problems that invasive species can cause. Two invasive plants, the Kahili ginger and the Morella Faya tree, are discussed in-depth. Solutions are given for restoring the balance between natives and invasives in the park.