trumpeter swan

noun
1.
a large, pure-white, wild swan, Cygnus buccinator, of North America, having a sonorous cry: once near extinction, the species is now recovering.
Origin
1700-10
Examples from the web for trumpeter swan
  • Empirical evaluation of decision support systems: concepts and an example for trumpeter swan management.
  • Much of this area contains concentrations of trumpeter swan nesting sites.
British Dictionary definitions for trumpeter swan

trumpeter swan

noun
1.
a large swan, Cygnus buccinator, of W North America, having a white plumage and black bill