Iolo Williams visits Dare Valley Country Park near Aberdare, where dippers, herons, cormorants and kingfishers frequent the Dare River. Show more

Iolo Williams visits Padarn Country Park in Snowdonia, encountering ring ouzel, wood warblers, slow worms and otters. Show more

Iolo Williams explores Great Orme in Llandudno, a park full of history and ancient mines. Iolo finds the Orme's rare moths and butterflies. Show more

Iolo Williams shares his passion for Welsh wildlife. With stunning aerial and wildlife photography, the first episode features the beautiful south of Wales. Show more

Iolo Williams explores landscapes in Wales. He observes the song of a wood warbler in Coed Crafnant, joins a local cockle fisherman on the Dee, and explores the Rhinogau mountains. Show more

Iolo Williams explores landscapes in Wales. He discovers those created by water and by the exploitation of mineral wealth, taking in a Snowdonia gorge and the dramatic River Wye. Show more

Iolo Williams picks his favourite landscapes. He explores a gorge in Snowdonia, tries his hand at coracle fishing on the Teifi, and ventures deep beneath the Brecon Beacons. Show more

Iolo Williams picks his favourite landscapes. He focuses on Wales's mineral wealth, learning how it has been exploited and how these processes affected the land. Show more

Iolo Williams picks his favourite landscapes. He explores the largely man-made landscape of Wales's lowlands and some of the 1,700 miles of coastline, including the Llyn. Show more

Iolo Williams picks his favourite landscapes. Iolo explores the wild uplands, finds ravens nesting in the Brecon Beacons and hears birdsong in the the Rhinogau mountains. Show more

Iolo Williams explores the fascinating behaviour of birds in Wales. In this first episode, he investigates how and why birds communicate. Show more

Wildlife series. Iolo Williams investigates the courtship and nesting behaviour of birds in Wales, including great crested grebes, hen harriers, ringed plovers and puffins. Show more

Iolo Williams explores the behaviour of birds in Wales. Here Iolo learns how birds have adapted to living alongside man, making use of buildings, gardens and even rubbish to thrive. Show more

Iolo Williams explores the behaviour of birds in Wales. Here he looks at bird design, including colour and camouflage, which enables them to live in the many habitats Wales offers. Show more

In the first of two episodes, Iolo Williams goes behind the scenes of Iolo's Secret Life of Birds to give a glimpse into the world of a wildlife production. Show more

Iolo Williams goes behind the scenes of Iolo's Secret Life of Birds to give a glimpse into the world of a wildlife production, and shares secrets on how sequences were filmed. Show more

Iolo Williams meets those who have a passion for the sea. Here, he goes lobster and crab fishing near Llandudno and explores the wreck of HMS Conway near the Menai Strait. Show more

Iolo Williams meets those who have a passion for the sea. Here, he explores sea kayaking on the north Llyn coast and discovers a nocturnal underwater world near Criccieth. Show more

Iolo Williams meets those who have a passion for the sea. Here, he travels from Newquay to the Pembrokeshire coast, where he dives with friendly Atlantic grey seals. Show more

Iolo Williams makes his final journey around Wales, joining a shark-tagging project, investigating a sunken seaplane and going on patrol with the Cardiff police boat team. Show more