From pythons in Bangkok to otters in Singapore, cities may seem unlikely havens for wildlife, but for animals able to adapt, the urban world is filled with opportunity.
In a modern migration, animals travel in and out of cities to find food, shelter or to start a family. See if the secret to success in a fast-changing world is commuting.
As the urban world grows animals are displaced from land that belonged to them. From herons to humpback whales, follow the captivating stories of wild survivors.