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 music the Young Tradition, the short-lived folk rock group Mr Fox (1970-2), The Deighton Family, Julie Matthews, Kathryn Roberts, and the Mercury Prize nominated Kate Rusby. Even considering its position as the largest county in England, Yorkshire has a flourishing folk music culture, with over forty folk clubs and thirty annual folk music festivals. In 2007, the Yorkshire Garland Group was formed to make Yorkshire folk songs accessible online and in schools. English folk music The folk music of England is tradition-based music, which has existed since the later medieval period. It is often contrasted with courtly, classical and later commercial