European green woodpecker though the latter is smaller and more slender with narrower wings and longer tail. The closely related, very similar Levaillant's woodpecker occurs only in north-west Africa. The European green woodpecker is a member of the order Piciformes, the woodpecker family Picidae and the genus Picus. It was first described by Linnaeus in 1758. The scientific name is derived from the Greek "pikos", meaning 'woodpecker', and Latin "viridis", 'green'. There are four subspecies, with subtle and mostly clinal differences between them. In a recent study based on mitochondrial DNA analysis of subspecies by Perktaş, Barrowclough and Groth, it has been proposed
English Folk Dance and Song Society of the Folk-Song Society", 1899–1931; "Journal of the English Folk Dance Society 191431". In 1998, with the folk movement strongly supported by a number of other organisations and the seeds planted by EFDSS thriving, the EFDSS altered its strategy to focus on education and archiving, with its primary goal the development of the Vaughan Williams Memorial Library as the country's national archive and resource centre for folk music, dance and song. In 2011 the society entered into a joint commission with Shrewsbury Folk Festival to create the Cecil Sharp Project, a multi-artist residential commission to create new works based on