This list of birds of Wales includes every species of bird that has been recorded in a wild state in Wales. Compared to the avifauna of Britain as a whole, Wales has fewer breeding species, but these include a number of moorland species such as red grouse and black grouse, large numbers of seabirds (particularly on offshore islands such as Skomer, Grassholm and Bardsey) and good populations of several species typical of Welsh oak woods including redstart, pied flycatcher and wood warbler. Among the birds of prey is the red kite, which had become extinct in other parts of Britain until being reintroduced recently. In winter many wildfowl and waders are found around the coast, attracted by the mild temperatures. In spring and autumn a variety of migrant and vagrant birds can be seen, particu