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¿Æ£ºÑ¼¿Æ Anatidae


Êô£ºÌì¶ìÊô Cygnus


ÖÖ£º ºÚ×ìÌì¶ì C. buccinator(Richardson, 1832)



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ºÚ×ìÌì¶ìµÄÓ¢ÎĽéÉÜ Introduction


The trumpeter swan (Cygnus buccinator) is a species of swan found in North America. The heaviest living bird native to North America, it also is on average, the largest extant species of waterfowl. It is the American counterpart and a close relative of the whooper swan of Eurasia, and even has been considered the same species by some authorities.

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