Inside the Forest: Seasons of Wonder

It's Springtime in Kielder, bringing a surge of new life. From red squirrels leaping amongst the trees, or caterpillars transforming into butterflies, there's an array of natural drama in this season of opportunity.

It's Summertime in Kielder Forest, with all wildlife facing a race to make the most of the sunshine. We meet an array of fascinating flora and fauna, and also become acquainted with the feral goats that have roamed the area for centuries.

It's Autumn in Kielder Forest and change is in the air, with wildlife preparing for the colder months ahead. This season the forest's red squirrels are busy hoarding nuts, and Atlantic salmon making their incredible journey upstream.

It's Winter in Kielder Forest, a time when the harsh beauty of frost and snow grips the landscape. It might be a refuge for an array of creatures, but we discover how Kielder Forest is also the country's most productive woodland.