Trumpeter Swan (Cygnus buccinator) {!--나팔수큰고니--> trumpeter swan 
Aves > Anseriformes > Anatidae  
Cygnus buccinator Richardson, 1832  
Photographer: Terry Spivey, USDA Forest Service 
Descriptor: Adult(s) 
Image Citation: 
Terry Spivey, USDA Forest Service, www.forestryimages.org 
Image Use: 
This image may be copied and used, in whole or in part, for any non-profit, educational purpose provided that all reproductions bear an appropriate credit. Any commercial or other use of the image requires the written permission of the photographer or contact organization, and Forestry Images.
The trumpeter swan (Cygnus buccinator) is a species of swan found in North America. The heaviest living bird native to North America, Cygnus buccinator is also the largest extant species of waterfowl.