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Ellie Harrison and her team of wildlife experts explore our precious woodlands and their threatened wildlife. Ellie visits the oak woods of mid-Wales and a bluebell wood.

In the Farne Islands, Ellie Harrison discovers how Britain's coastal and marine wildlife is under threat. Bill Oddie sees where puffins go when they leave British shores.

Ellie Harrison takes to London's crowded streets to find out how urban wildlife copes with living alongside millions of people. She visits the most urban woodland in London.

Ellie Harrison visits two very different rivers - the Tyne in Newcastle and a chalk stream in Dorset - to find out how their wildlife is faring in this changing habitat.

Ellie Harrison discovers how much of our countryside has been transformed into a food factory, squeezing out our precious farmland wildlife.

Ellie Harrison visits the Somerset Levels, a newly created wetland in the shadow of Glastonbury Tor, where creatures once on the brink of extinction are now returning.