Best of Natural History Radio

In the final episode, Becky Ripley and Emily Knight search for pufflings that have run into trouble on their journey from their burrows to the sea, guided by the light of the moon.

The season is ending. Becky Ripley and Emily Knight go in search of the last pufflings left in the burrows on the Isle of May to give them a quick check-up before the birds leave their family homes and head out to sea.

How do you draw puffins to an island they abandoned long ago? Emily Knight and Rebecca Ripley are on Ramsey Island off the west coast of Wales. Here they're trying a very loud solution - blasting out the sound of puffins, from boom bass speakers.

Emily Knight and Rebecca Ripley are taking a break from the island in this episode, If you think puffins are just small penguins, Warhorse author Sir Michael Morpurgo is here to tell you how wrong you are in this tale of how Puffin Books led him to love the birds.

Becky Ripley and Emily Knight find the Isle of May's beaches awash with plastic waste and discover its not just plastic we can see that is damaging, but tiny fragments shed from our clothes too.