Guatemalan quetzal 5, 10, 20 and 100 quetzales, with quetzal notes added in 1933. In 1946, the Bank of Guatemala took over the issuance of paper money, with its first issues being overprints on notes of the Central Bank. Except for the introduction of 50 quetzales notes in 1967, the denominations of banknotes were unchanged until and 1 quetzal coins replaced notes at the end of the 1990s. In the top-right corner of the obverse face of each banknote, the value is displayed in Mayan numerals, representing Guatemala's cultural history. The Bank of Guatemala has introduced a polymer banknote of 1 quetzal
Crested quetzal Crested quetzal The crested quetzal /ketSAHL/ ("Pharomachrus antisianus") is a species of bird in the family Trogonidae native to South America, where it is found in Bolivia, Colombia, Ecuador, Peru, and Venezuela. Its natural habitat is subtropical or tropical moist montane forests. French naturalist Alcide d'Orbigny described the crested quetzal in 1837 as "Trogon antisianus". The species name is derived from "Antis", a Latinised version of the Andes, ultimately from "anti", an Incan word for copper. It is closely related to the resplendent quetzal ("P. mocinno"). It is one of five species of the genus "Pharomachrus" known as quetzals. The