Blue tit (Parus caeruleus) at a feeding bag, winter feeding, Schleswig-Holstein, Germany, Europe

animal feeds animal feed animals in the wild animals animal aves bags bag bird fat balls bird fat ball bird food bird photography birdseeds birdseed birds bird blue tits blue tit central europe cyanistes caeruleus deserted empty europe fat ball fauna feed bag feeding grounds feeding ground feedings feeding feed german federal republic germany habitat ingestion middle europe natural environments natural environment natural habitat nobody no one no people norddeutschland northern germany north germany oscine paridae parus caeruleus passeriformes passerines passerine passeri sac schleswig holstein songbirds songbird uninhabited wild animals wild animal wildlife photography wildlife winter feeding