[trumpeter swan] n (1834): a rare pure white No. American wild swan (Cygnus buccinator) that is noted for its sonorous voice and is sometimes considered a subspecies (C. cygnus buccinator) of the whooper swan
TRUMPETER SWAN
Meaning of TRUMPETER SWAN in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012