Remote cameras in Yellowstone capture cougars and wolves on the hunt. The footage reveals something important

From DiscoverWildlife.com:

Imagine being a cougar in Yellowstone National Park in the northern USA. Until the mid-1990s, you were the area’s top predator and could take down the abundant elk – herbivores very closely related to European red deer – almost at will.

Then something changed. Wolves were reintroduced and have slowly increased in number.

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