: Malcolm, a survivor of a past attack, kidnaps an injured Baron and uses him as bait to lure Kristen into a trap.
: When wolves returned, they didn't just kill elk; they changed elk behavior. Elk avoided open valleys where they were vulnerable, allowing trees to grow back.
The most legendary "trophic cascade" story is the 1995 reintroduction of gray wolves to after a 70-year absence.
Wolf Pack 1×08 Review: “Trophic Cascade” - The Geekiary
: The teen pack (Everett, Blake, Luna, and Harlan) must decide whether to save Baron’s life. Saving him makes their pack stronger but ensures their lives will never return to "normal".
: The returning trees stabilized riverbanks, which literally changed the path of the rivers. Songbirds returned to the trees, and beavers—another keystone species—used the new wood to build dams, creating habitats for fish and otters. 2. The Wolf Pack Season Finale (Episode 8)
: Without wolves, elk populations exploded, overgrazing young aspen and willow trees along riverbanks.