Bird surveys were conducted separately in Weizhou Island Bird Nature Reserve,Guangxi in October and December 1989,March-April and July-August 1990,April-May 1991,April-May 1994,January 2003 and May 2008.A total of 186 bird species was recorded,belonging to 52 families and 16 orders.Of them,117 species were passage visitors,48 species winter migrants,14 species residents and 7 species summer migrants.Thirteen birds were listed as globally threatened species,for example Platalea minor;29 species were national protected in China;93 species were in the list of the Sino-Japanese Conservation Migrant Agreement and 30 species were in Sino-Australian Conservation Migrants Agreement.Weizhou Island Bird Nature Reserve is an important stopover for those birds which migrate along the west coast of the Pacific.