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!

Invasive Species

What's on Your Line? - Bonus Feature

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.

Troubled Waters - Main Feature

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.

Everglades National Park: The top invasive species that threaten Everglades National Park are discussed. Animal species include Burmese pythons, pike killifish, African jewelfish, marsh killifish, and walking catfish. Plant species include paperbark trees and Lygodium.

Everglades Invasives

Everglades National Park: Park ranger Larry Perez discusses different aspects of invasive species including how they are introduced, how they spread, how they are controlled, and who to contact if an invasive species is spotted.

South Florida Invaders

Everglades National Park: Be a part of a survey of invasive Burmese pythons in the Everglades with Dr. Michael Dorcas. Dr. Dorcas discusses how Burmese pythons are likely adversely affecting native species in the Everglades.

Python Road Survey

Everglades National Park: The process of executing a massive habitat restoration project in the Everglades called, "Hole-In-The-Donut" is shown. Acres of the nonnative species Brazilian pepper are effectively removed to allow native species to once again flourish.

Hole in the Donut Habitat Restoration

Invasive species found in Everglades National Park, Hawai‘i Volcanoes National Park, and Yellowstone National Park are discussed. Efforts to remove the invasive species are included as well.