Great Egrets (Ardea alba) preening their breeding plumage, at nest. Osceola County, Florida, USA, March.  ,  ardeidae, BIRDS, BREEDING-PLUMAGE, egretta alba, Florida, great white heron, GROOMING, HERONS, MALE-FEMALE-PAIR, NESTS, NORTH-AMERICA, symmetry, two, USA, VERTEBRATES,North America  ,  Lynn M Stone