Great crested grebe (Podiceps cristatus) on floating nest, Brandenburg, 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 brandenburg breeding area breeding grounds breeding ground breeding season breeding time breed central europe deserted eastern germany east germany empty europe fauna german federal republic germany great crested grebes great crested grebe grebes grebe habitat incubate incubating middle europe natural environments natural environment natural habitat nesting sites nesting site nesting nests nest nobody no one no people podiceps cristatus podicipedidae podicipediformes swimming swim uninhabited water birds water bird waterfowl water wild animals wild animal wildlife photography wildlife