A Grey heron (Ardea cinerea) standing on branches at the nest, North Rhine-Westphalia, Germany, Europe

animal behavior animal behaviour animals in the wild animals animal ardea cinerea ardeidae ardeinae aves behavior behaviour bird's nest bird nest bird photography birds' nests birds bird bough branches branch breeding area breeding grounds breeding ground breeding season breeding time care central europe ciconiiformes deserted empty europe fauna german federal republic germany gray heron grey herons grey heron habitat herons heron middle europe natural environments natural environment natural habitat nesting sites nesting site nesting nests nest nobody no one no people nordrhein westfalen north rhine westphalia nrw social behavior social behaviours social behaviour standing stand tree branch twigs twig uninhabited wild animals wild animal wildlife photography wildlife