A Year on Planet Earth

Autumn signals change. For many, change brings opportunity, but also huge challenges. For some, like Monarch butterflies, it offers a chance to begin again or take a new path.

See the incredible strategies animals like red squirrels, pikas and penguins use to cope with their changing worlds, as we journey through the seasons, in our orbit around the sun.

These are the stories of the scientists and conservationists who have have used pioneering techniques to uncover new behaviour, enabling us to film this extraordinary series.