Great crested grebe (Podiceps cristatus) on nest with young bird in plumage, turning eggs, Hesse, Germany, Europe

animal behavior animal behaviour animal child animals in the wild animals animal aquatic bird aves behavior behaviour bird photography birds bird breeding area breeding grounds breeding ground breeding place breeding season breeding site breedings breeding time breeding breeding brood care caring for caring central europe cub deserted eggs egg empty europe's europe fauna fledglings fledgling frg german federal republic germany german great crested grebes great crested grebe grebes grebe habitat hatchling hessen hesse hessia juvenile bird juveniles juvenile middle europe natural environments natural environment natural habitat nesting place nesting sites nesting site nesting nests nest nobody no one no people offspring parental care plumages plumage podiceps cristatus podicipedidae pup republic of germany social behavior social behaviours social behaviour suckling turning turn round turn uninhabited water birds water bird waterfowl wild animals wild animal wildlife photography wildlife wildlife young animals young animal young bird youngster young young yuvenile