Absolute must watch for anyone interested in the ecology of one of our national treasures, Yellowstone National Park.  Just incredible what the reintroduction of an apex predator can do the physical landscape. Word of the day…Trophic Cascade…learn it, repeat it, sound smart at the bar.

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Francis Xavier is a seasoned writer for Unofficial Networks, bringing a lifetime of outdoor experience to his work. Having lived in a ski resort town for years he has a deep connection to mountain culture....