Nature

Morgan travels to north Alaska. It’s November and the polar bears struggle for periods on dwindling fat reserves, waiting to hunt on sea ice. In spring, he travels to the Brooks Range, where the grizzlies are waiting for the caribou.

Chris Morgan explores the world of black bears caught in the crossroads of urban development in Anchorage and the wilderness. He heads north to Denali National Park and continues to Prudhoe Bay to reach the Arctic.

Biologist Chris Morgan sets up camp in the heart of the Alaskan wilderness, alongside the largest concentration of grizzlies in the world. Morgan tracks their progress as they feast and re-establish the hierarchal dynamics of bear society.

Investigate the parallel stories of collapsing Pacific salmon populations and how biologists and engineers have become instruments in audacious experiments to replicate every stage of the fish’s life.

Colin Stafford-Johnson filmed Broken Tail for some of the finest tiger documentaries ever made. Broken Tail was the most charismatic tiger cub, but he abandoned his sanctuary and was killed by a train 200 miles from its home.

New Guinea is home to birds so spectacular that the first Europeans to see the birds named them “birds of paradise.” David Attenborough introduces a team of scientists who are on an expedition to find and film these breathtaking birds.

More than 50 years have passed since the publication of Born Free — the book, and then a film, that changed forever the way we think about wildlife. What has happened to lions since this story?

Research has shown that crows are among the most intelligent animals in the world, able to use tools and able to recognize each other’s voices. They are social, mate for life and raise their young for as long as five years.