Quetzal ("Merriam-Webster's Collegiate Dictionary"), from the Nahuatl root = "stand up" used to refer to an upstanding plume of feathers. The word entered English through Spanish. The word "quetzal" was originally used for just the resplendent quetzal, the long-tailed quetzal of Guatemala, (more specifically a town called Petén) which is the national bird and the name of the currency of Guatemala. It still often refers to that bird specifically but now also names all the species of the genera "Pharomachrus" and "Euptilotis". "Pharomachrus" is from Ancient Greek , "mantle", and , "long", referring to the wing and tail coverts of the
Resplendent quetzal Spanish, so the spelling with "nn" is justified and in any case now official.) The word "quetzal" came from Nahuatl (Aztec), where "quetzalli" (from the root "quetza" = "stand") meant "tall upstanding plume" and then "quetzal tail feather"; from that Nahuatl "quetzaltotōtl" means "quetzal-feather bird" and thus "quetzal". This species is long, plus up to of tail streamer for the male, and weighs about . It is the largest representative of the trogon order. The subspecies "costaricensis" is slightly smaller than the nominate race, with tail plumes that are both shorter and narrower. Resplendent quetzals have a green body (showing