"Citreoline Trogon." Google search: "The Trogons &Quetzals are birds in the order Trogoniformes which contains only one family, the Trogonidae. The family contains 39 species in 7 genera. The fossil record of the trogons dates back 49 million years to the Early Eocene. The word trogon is Greek for "nibbling" and refers to the fact that these birds gnaw holes in trees to make their nests. Wikipedia."