Population trends and productivity of Tundra Swans on the Central Arctic Coastal Plain

Ritchie, R. J., J. G. King, A. A. Stickney, B. A. Anderson, J. R. Rose, A. M. Wildman, and S. Hamilton. 2002. Population trends and productivity of Tundra Swans on the Central Arctic Coastal Plain, northern Alaska, 1989–2000. Pages 22–31 in Rees, E.C., S.L. Earnst, and J. Coulson (eds.). Proceedings of the Fourth International Swan Symposium, 2001. Waterbirds 25, Special Edition 1.

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