quesal \quesal"\, n. zool.
   the long-tailed, or resplendent, trogon pharomachus
   mocinno, formerly trogon resplendens, native of southern
   mexico and central america. called also quetzal, and
   golden trogon.
   1913 webster

   note: the male is remarkable for the brilliant metallic green
         and gold colors of his plumage, and for his extremely
         long plumes, which often exceed three feet in length.
         1913 webster
see also:
pharomachus mocinno trogon resplendens quetzal golden trogon