Delineation of Tundra Swan Cygnus c. columbianus populations in North America: geographic boundaries and interchange by C.R. Ely, W.J.L. Sladen, H.M. Wilson, S.E. Savage, K.M. Sowl, B. Henry, M. Schwitters & J. Snowdon
Aspects of the breeding biology of Bewick’s Swans Cygnus columbianus bewickii nesting in high densities in the Chaun River delta, Chukotka, east Russia by D. Solovyeva & S. Vartanyan
Awareness and opinions of Maryland citizens toward Chesapeake Bay Mute Swans Cygnus olor and management alternatives by L.J. Hindman & R.L. Tjaden
Spraying corn oil on Mute Swan Cygnus olor eggs to prevent hatching by L.J. Hindman, W.F. Harvey, IV & L.E. Conley
Long-term trends in the number of Whooper Swans Cygnus cygnus breeding and wintering in Sweden by L. Nilsson
Breeding Whooper Swans Cygnus cygnus in the Baltic states, 1973–2013: result of a 207
re-colonisation by D. Boiko, H. Kampe-Persson & J. Mork˘unas
Breeding biology of the Black Swan Cygnus atratus in southeast Queensland, Australia by J.T. Coleman
