North America's Rockies, a world class mountain chain with the greatest and fastest contrast both within and between seasons, are very demanding for wildlife. Prey specie ...

The unequaled height of the Himalaya, stretching from Pakistan to China's Yunnan province, the coldest home for monkeys, requiring thick fur and cuddling together in a ti ...

The Andes is our longest mountain range, made up of hundreds of astonishing worlds. Pumas hunt in Patagonia, spectacled bears seek out water in a high-altitude desert and ...