Few animals symbolize wild interconnectedness quite like wolves, whose return helped reveal just how tightly ecosystems are ...

When wolves were reintroduced to Yellowstone National Park in the United States after being absent nearly 70 years, the most remarkable "trophic cascade" occurred. What is a trophic cascade and how ...

Gray Wolves typically hunt large mammals supplemented with rabbits and hares. Five Pacific salmon species migrate upstream in British Columbia’s rivers and streams. The annual migration of so many ...

Streaming platforms for How Wolves Change Rivers haven’t been announced yet. Check back soon for updates on where you can watch it online.