Cong PH, Cao L, Fox AD, Barter M, Reece EC, Chen J, Jiang Y, Ji WT, Zhu WZ, Song GX. Recent changes in the distribution and abundance of Tundra Swans Cygnus columbianus bewickii in the Yangtze River floodplain. Bird Conservation International, 2011, 21: 260–265.
Cong PH, Reece EC, Meng SM, Zhao MJ, Cao L, Fox AD. A comparison of the behaviour and habitat use by Bewick’s Swans Cygnus columbianus bewickii at wintering sites in China and Europe: preliminary observations. Wildfowl, 2011, 61: 52-73.
Cong PH, Cao L, Wang X, Fox AD. Within-winter shifts in Lesser White-fronted Goose Anser erythropus distribution at East Dongting Lake, China. Ardea, 2012, 100: 5-11.
Wang X, Fox AD, Cong PH, Barter M, Cao L. Changes in the distribution and abundance of wintering Lesser White-fronted Geese Anser erythropus in eastern China. Bird Conservation International, 2012, 22: 128-134.
Zhao MJ, Cong PH, Barter M, Fox AD, Cao L. The changing abundance and distribution of Greater White-fronted Geese Anser albifrons in the Yangtze River floodplain: impacts of recent hydrological changes. Bird Conservation International, 2012, 22: 135-143.
Fox AD, Cao L, Barter M, Reece EC, Hearn R, Cong PH, Wang X, Zhang Y, Dou ST, Shao XF. The functional use of East Dongting Lake, China, by wintering geese. Wildfowl, 2008, 58: 3-19.
Fox AD, Hearn R, Cao L, Cong PH, Wang X, Zhang Y, Dou ST, Shao XF, Barter M, Reece EC. Preliminary observations of diurnal feeding patterns of Swan Geese Anser cygnoides using two different habitats at Shengjin Lake, Anhui Province, China. Wildfowl, 2008, 58: 20-30.