Why Canada's coastal forest is home to top predators like eagles, bears and wolves.
Steve Backshall unravels the secrets that lie covered in ice for most of each year.
Steve Backshall reveals the secret to the existence of the world's largest inland delta.
Steve Backshall looks at the unique geography of California's Monterey Bay kelp forest.
A look at intricate relationships and unexpected hardship in the Amazon rainforest.
What is the key to the Serengeti that allows such density and diversity of herbivores?
How did the unique wildlife of the Galapagos get there and what allows them to thrive?