European green woodpecker (Picus viridis), male at nest hole feeding the young, Biosphere Reserve, Swabian Alb, Baden-Wuerttemberg, Germany, Europe

adult male animal child animal feeds animal feed animals in the wild animals animal aves baden wurttemberg baden wuerttemberg bird photography birds bird breeding area breeding burrows breeding burrow breeding cavity breeding grounds breeding ground breeding place breeding season breeding site breedings breeding time breeding breed brood den central europe cub deserted eat empty europe's european green woodpeckers european green woodpecker europe fauna feeder feeding grounds feeding ground feeding place feeding site feedings feeding feed fodder food frg german federal republic germany german green woodpecker habitat hatchling incubate incubating ingestion juveniles juvenile male animals male animal males male middle europe natural environments natural environment natural habitat nest hole nesting holes nesting hole nesting place nesting sites nesting site nesting nest nobody no one no people picidae picids picid piciformes picus viridis pup republic of germany southern germany south germany suckling swabian alb swabian jura uninhabited wild animals wild animal wildlife photography wildlife wildlife woodpeckers woodpecker yaffle young animals young animal youngster young yuvenile