How Yellowstone Scientists Really Combat Invasive Species

Yellowstone cutthroat trout are on the brink of extinction as invasive lake trout continue to eat them. With the park's ecosystem at risk, it's up to scientists to figure out where these predators came from and how to contain them. (2:31)

Tags

Latest Videos

Preview thumbnail for video'How NASA Cut Costs With a New Kind of Spacecraft
How NASA Cut Costs With a New Kind of Spacecraft (3:04)
Preview thumbnail for video'These Trees Uncover What Plunged Egypt's Climate Into Chaos
These Trees Uncover What Plunged Egypt's Climate Into Chaos (4:06)
Preview thumbnail for video'Elusive Arctic Animals Reveal Themselves to an Expedition
Elusive Arctic Animals Reveal Themselves to an Expedition (2:23)
Preview thumbnail for video'Footage of the Alarming Moments Before the Everest Avalanche
Footage of the Alarming Moments Before the Everest Avalanche (3:05)
Preview thumbnail for video'This Couple Filmed the Everest Avalanche Coming at Them
This Couple Filmed the Everest Avalanche Coming at Them (2:12)
Preview thumbnail for video'The Ocean Is Running Out of Fish. Here's the Alarming Math
The Ocean Is Running Out of Fish. Here's the Alarming Math (2:40)
Preview thumbnail for video'Marianne North's Obsession With the Carnivorous Pitcher Plant
Marianne North's Obsession With the Carnivorous Pitcher Plant (3:41)
Preview thumbnail for video'Feuding Iguanas and Giant Rodents Rule This Cuban Island
Feuding Iguanas and Giant Rodents Rule This Cuban Island (1:45)
Preview thumbnail for video'Lionfish Are a Plague. Can Training Sharks to Eat Them Work?
Lionfish Are a Plague. Can Training Sharks to Eat Them Work? (2:52)