Wild Metropolis

A look at the residents who thrive in the newest and fastest-changing habitat on the planet. See smooth-coated otters at home in Singapore, to huge colonies of megabats in Adelaide, and reticulated pythons living on the streets of Bangkok.

More than a billion people around the world commute into cities each day to take advantage of the riches on offer, and they are not alone. The world's wildlife is commuting too. A steady flow of animals journey in and out of cities to find food.