Class AVES/the birds; ostrich; rheas; cassowaries; emu; kiwis; tinamous; penguins; divers; grebes; albatrosses; petrels and shearwaters; storm-petrels; diving-petrels; tropic birds; pelicans; gannets and boobies; cormorants; anhingas; frigatebirds; herons and egrets; shoebill; hamerkop; storks; ibises and spoonbills; flamingos; screamers; geese and ducks.