How do wild dogs survive and thrive in the wild? Discover the secrets to their success, from black-backed jackals that leap skywards to catch prey to agile gray foxes that climb high into the trees.

Costa Rica's motto is Pura Vida – Pure Life – and this deceptively small country is bursting with some of the most spectacular wildlife and pristine ecosystems in the world. All this diversity thrives, in part, thanks to one surprising little creature: hummingbirds. Venture across Costa Rica's wild and rugged landscapes, from volcanic peaks to coastal jungle to misty cloud forests, and discover the nation's dazzling diversity of hummingbirds. There are more than 50 species of hummingbirds here, and they play an outsize role in maintaining some of the richest and wildest environments on Earth.