Migration routes and bird conservation regions used by eastern population tundra swans Cygnus columbianus columbianus in North America
Dates
Year
2013
Citation
Wilkins, Khristi A., Malecki, Richard A., Sullivan, Patrick J., Fuller, Joseph C., Hindman, Larry J., Costanzo, Gary R., and Luszcz, Dennis, 2013, Migration routes and bird conservation regions used by eastern population tundra swans Cygnus columbianus columbianus in North America: Wildfowl, v. 60, no. 60, p. 20-37.