Three Australian leg-flagged Roseate Terns found at Caiyu Archipelago of SE Fujian, China

In undertaking regular surveys on those waterbirds appearing on Fujian coast and on offshore islands, people of Xiamen Bird-watching Society had observed, for five times during 2007 -2009, three marked individuals of the Roseate Tern (Sterna dougallii) on Caiyu Archipelago of Caiyu Archipelago of south Fujian offshore; it is now quite certain that the leg-flags were marked on birds by people of the Australasian Wader Studies Group (AWSG) and at least one of those leg-flagged terns is already over six or seven years old by the time of re-sighting; this record might be useful and helpful for further estimating the life circle as well as the length of generation of those gulls and terns appearing and breeding along the SE Chinese coast, such as the Black-tailed Gull (Larus crassirostris), the Great Crested Tern (Sterna bergii), the Chinese Crested Tern (S. bernsteini), etc.