During the investigation on water birds at Lake Chenhu Nature Reserve form 2010 to 2013,67 birds species of 15 families of 7orders were recorded,in all families,ducks,ardeidae and snipe birds predominate,in which there were 11 species listed on Rank I and II National Protected Wildlife,and 4Species of birds are listed in the appendix of the CITES convention.There were 43 winter migrant species,15 summer migrant species,5resident species and 4passengers In terms of geographical distribution type,there were 44 Palaearctic species,9Oriental specie...