This huge reserve in mid Wales near Rhayader has a multitude of ... Some of the interesting species of birds to be seen at Elan Valley include the merlin, lesser spotted woodpecker, goshawk ...

As glaciers move downhill under the force of gravity, they erode downwards and outwards changing V-shaped valleys into U-shaped valleys with flat floors and steep sides. Glacier ice has great ...

Visit BBC Webwise for full instructions This huge reserve in mid Wales near Rhayader has a multitude ... species of birds to be seen at Elan Valley include the merlin, lesser spotted woodpecker ...