From striking craggy pinnacles to cavernous underground lairs, the national parks are renowned for their grand wildernesses. However, the inhabitants of these landscapes – the wilds’ wildlife – are perhaps the most beloved of the parks’ draws. Animals of the national parks, including many threatened or endangered species, also provide a significant scientific service: They are indicators of the overall health of their environments.

In northwest Montana stand some of the world’s most beautiful natural spires — snow-capped peaks that gleam like diamonds. It’s no doubt not surprising that this area is called the Crown of the Continent, though it’s more commonly known as Glacier National Park. In winter this place of natural magnitude is also a place of serenity and wonder for those who enter its borders. And the nearby creature comforts in Kalispell make a Glacier National Park vacation a true adventure and retreat.

Mountain Bluebirds. They’re the western cousin to the familiar Eastern Bluebird and a treat for birders throughout the mountainous terrain of Yellowstone National Park, Glacier National Park, and…Big Cypress National Preserve?

A National Parks Conservation Association campaign launching today is designed to rally public support against threats facing such iconic national parks as Yellowstone, Yosemite, and Grand Canyon with hopes the Obama administration will step up and use the tools and authority it has to protect the parks.