Secret Life of the Forest

Cameras capture the various wildlife residing in England’s most vast forest, including roe deer, red squirrels and more, as changes occur throughout the seasons.

It's summertime in Kielder Forest and all the wildlife makes the most of the sunshine.

Despite its rich biodiversity, Kielder Forest didn't exist a century ago.

It's winter in Kielder Forest and while some wildlife battles to survive, others sleep.