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Iolo's River ValleysSeries 2Episodes

    Usk

    1/4Iolo Williams treks the Usk valley, finding ground nesting birds, bats and firecrest.

    Tywi

    2/4Iolo explores the Tywi, spotting fallow deer, rare woodland birds and juvenile salmon.

    Teifi

    3/4Iolo explores the Teifi valley, spotting otters, interesting insects and kestrels.

    Dee

    4/4Iolo explores the Dee valley, and sees black grouse, rare mussels and spawning sea trout.