Year
1994
1994
Citation
Mitchell, C. D. 1994. Trumpeter swan (Cygnus buccinator). In The Birds of North America, No. 105 (A. Poole and F. Gill, editors). Philadelphia: The Academy of Natural Sciences; Washington, D.C.: The American Ornithologists' Union.
Keywords
Reference Code
N94MIT01NACA
N94MIT01NACA
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