Jon Green & David Saunders 
Where to Watch Birds in Wales [PDF ebook] 

The definitive guide to the birdwatching sites of Wales.
Wales remains one of the most alluring regions for birdwatchers; its range of habitats ensures a wide variety of species amidst the often spectacular scenery.
Now in its fifth edition,
Where to Watch Birds in Wales remains an invaluable and most trusted site guide for birdwatching in Wales. This new edition features many new sites, and includes updated maps to the sites and fully revised and expanded text.
This is an essential guide for all birdwatchers living in or visiting this land of hills, valleys, moors and mountains.