Neornithes Gadow, 1893 - living birds Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900 Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988 [Order] Gruiformes Bonaparte, 1854 Family Cariamidae Bonaparte, 1853 - seriemas Genus Chunga Hartlaub, 1860 [monotypic] Chunga burmeisteri (Hartlaub, 1860) - black-legged seriema