"High in the mountains\u2013over 10,000 ft in altitude, an unusual protagonist takes center stage: the whitebark pine. This odd-looking tree may not seem like much, but it is the giver of life not only on high but also to everything below."

"Our story follows three key predators in the Yellowstone Ecosystem: the wolf, red fox, and coyote. For centuries, man worked to eradicate these canids from the landscape."

"The headwaters of seven major rivers run from the Continental Divide across the ecosystem and flow into the western United States. Its waters carve the landscape, creating natural boundaries."

"The Yellowstone region is one of the planet's largest, nearly intact temperate zone ecosystems. The area surrounding Yellowstone is also the fastest-growing population center in the western United States, doubling its population since 1970."