Quetzals are strikingly colored birds of the trogon family (Trogonidae) found in tropical regions of the Americas. The word "quetzal" was originally used for just the Resplendent Quetzal, Pharomachrus mocinno, the famous long-tailed quetzal of Central America, which's the national bird of Guatemala. It still often refers to that bird specifically but now also names all the species of the genera Pharomachrus and Euptilotis. The six quetzal species and their English common names are: P. antisian… (More on Quetzal)