4/4. Iolo Williams goes up the valleys from Newport and gets a rare view of a long-eared owl. Another treat is a marble white butterfly, plus peregrines and lapwings on coal tips. Also in HD. [S]
1/4. Iolo Williams explores the valleys north of Swansea. He finds dippers and kingfishers nesting on once-polluted rivers, and Wales's rarest nesting bird, the honey buzzard. Also in HD. [S]