Ordination diagram using a non-metric multidimensional scaling (NMDS) of the waterbird assemblages in two seasons (summer and winter), in Laguna del Viborón, Mendoza, Argentina. Waterbirds: anabah = Anas bahamensis, anafla = Anas flavirostris, ardalb = Ardea alba, ardcoc = Ardea cocoi, calbai = Calidris bairdii, chrser = Chroicocephalus serranus, coscos = Coscoroba coscoroba, denaut = Dendrocygna autumnalis, denvid = Dendrocygna viduata, egrthu = Egretta thula, fularm = Fulica armillata, fulleu = Fulica leucoptera, fulruf = Fulica rufifrons, galgal = Gallinula galeata, hetatr = Heteronetta atricapilla, himmex = Himantopus mexicanus, ixoinv = Ixobrychus involucris, netpep = Netta peposaca, nycnyc = Nycticorax nycticorax, oxyvit = Oxyura vittata, parsan = Pardirallus sanguinolentus, phabra = Phalacrocorax brasiliensis, phochi = Phoenicopterus chilensis, plechi = Plegadis chihi, podmaj = Podiceps major, podocc = Podiceps occipitalis, podpod = Podilymbus podiceps, rolrol = Rollandia rolland, spacya = Spatula cyanoptera, trifla = Tringa flavipes, trimel = Tringa melanoleuca, vanchi = Vanellus chilensis.