Black woodpecker (Dryocopus martius), on a snow covered coniferous tree trunk searching for ants and grubs, Taiga Forest, Finland, Scandinavia, Europe

Black woodpecker (Dryocopus martius) in snow covered winter landscape, Kuusamo, Finland, Europe

Black woodpecker (Dryocopus martius), male sitting at the entrance of its nesting hole, Neunkirchen, Siegerland, North Rhine-Westphalia, Germany, Europe

Black Woodpecker (Dryocopus martius) at nest hole in a beech with chicks (Fagus sylvatica), Biosphaerenreservat Schwaebische Alb or Swabian Mountains Biosphere Reserve, UNESCO World Heritage Site, Baden-Wuerttemberg, Germany, Europe

Black Woodpecker (Dryocopus martius) at nest hole in a beech with chick (Fagus sylvatica), Biosphaerenreservat Schwaebische Alb or Swabian Mountains Biosphere Reserve, UNESCO World Heritage Site, Baden-Wuerttemberg, Germany, Europe

Black Woodpecker (Dryocopus martius) at nest hole in a beech with chicks (Fagus sylvatica), Biosphaerenreservat Schwaebische Alb or Swabian Mountains Biosphere Reserve, UNESCO World Heritage Site, Baden-Wuerttemberg, Germany, Europe

Chew marks of a Black Woodpecker (Dryocopus martius), Landschaftsschutzgebiet Tratzberg conservation area, Tyrol, Austria, Europe

Black woodpecker (Dryocopus martius) on tree trunk, Kuusamo, Finland, Europe

Black woodpecker (Dryocopus martius) on tree trunk, Kuusamo, Finland, Europe

Black woodpecker (Dryocopus martius), juvenile, Emsland, Lower Saxony, Germany, Europe

Adult male Black Woodpecker (Dryocopus martius) on a snow-covered trunk looking for food, Oulanka National Park, Finland