behavior, cygnini, cygnus olor, german, natural environment, out, plumage care, rheinland-pfalz
behavior, cygnini, cygnus olor, german, natural environment, out, plum, Erhard Nerger Photography, 900280530
atmospheric, aves, backlit, cold, cygnini, cygnus olor, danish, danmark, delicate
atmospheric, aves, backlit, cold, cygnini, cygnus olor, danish, danmark, Ingeborg Knol Photography, 900341334