Great crested grebe (Podiceps cristatus) at the nest with young bird in plumage, Oldenburger Muensterland, Vechta, Lower Saxony, Germany, Europe

animal behavior animal behaviour animals in the wild animals animal aquatic bird aves behavior behaviour bird's nest bird nest bird photography birds' nests birds bird breeding area breeding grounds breeding ground breeding season breeding site breedings breeding time breeding breedin brood care central europe cub deserted empty europe fauna fledglings fledgling frg german federal republic germany great crested grebes great crested grebe grebes grebe habitat hatchling juvenile bird juveniles juvenile lower saxony middle europe natural environments natural environment natural habitat nesting sites nesting site nesting nests nest nobody no one no people northern germany north germany offspring oldenburger muensterland oldenburg muensterland parental care plumages plumage podiceps cristatus podicipedidae pup republic of germany social behavior social behaviours social behaviour suckling uninhabited water birds water bird waterfowl wild animals wild animal wildlife photography wildlife wildlife young animals young animal young bird youngster young young yuvenile