This Powerful Video Shows How Wolves Can Change the Course of Rivers
Wolves are incredibly resourceful and intelligent predators. They could once be found almost everywhere on the planet, but their intelligence was in part their downfall. They were a bane to farmers, and as a result were culled as pests.
Now the wolf’s howl no longer graces most American states, but a concerted effort to reintroduce wolf populations in places like Yellowstone has borne surprising fruit. It turns out these creatures are far more important to the park’s ecology than we would initially suspect!