White-backed woodpecker 1♀ , 2♂ (Dryobates leucotus) illustrated by the von Wright brothers. Digitally enhanced from our own 1929 folio version of Svenska Fåglar Efter Naturen Och Pa Sten Ritade.

Source: https://commons.wikimedia.org/wiki/File%3ABird_illustration_from_Svenska_F%FF%FFglar_%28Swedish_Birds%29_by_the_von_Wright_brothers_from_rawpixel%2527s_original_edition_of_the_publication_00190.jpg

The white-backed woodpecker (Dendrocopos leucotos) is a Eurasian woodpecker belonging to the genus Dendrocopos in the family Picidae. Dendrocopos leucotos is the largest of the spotted woodpeckers in the western Palearctic. It occurs in central and northern Europe, in the Balkans and Turkey, and in the region eastwards as far as Korea and Japan. It is a scarce bird, requiring large tracts of mature deciduous forests with high amounts of standing and laying dead wood.

Order: Piciformes
Family: Picidae
Genus: Dendrocopos
Species: Dendrocopos leucotos (Bechstein, 1802)