2/8. Twenty years ago, Iolo filmed water voles in the Glaslyn valley of Snowdonia. He returns to the same water channel to see if they are still there. Also in HD. [S,SL]
4/8. Iolo recalls looking for black-throated divers in the middle of a Scottish thunderstorm and tracking a great grey shrike in a blizzard in the Brecon Beacons. Also in HD. [S]
2/8. Twenty years ago, Iolo filmed water voles in the Glaslyn valley of Snowdonia. He returns to the same water channel to see if they are still there. Also in HD. [S]