Green (Guinea) Turaco. South Africa. Learned about this guy in ornithology. One of the few birds to have green microstructures. Most of the time, a green bird is created through blue microstructure of feathers and yellow pigments!
Quetzal. Quetzals are strikingly colored birds in the trogon family. They are found in forests and woodlands, especially in humid highlands, Quetzals have iridescent green or golden-green wing coverts, back, chest and head, with a red belly. Even with their famous bright plumage, they can be hard to see in their natural wooded habitats.
The great grey owl or great gray owl (Strix nebulosa) is a very large owl, documented as the world's largest species of owl, they are distributed across the Northern Hemisphere. In some areas it is also called Phantom of the North, cinereous owl, spectral owl, Lapland owl, Spruce owl, Bearded owl, and sooty owl. - Wikipedia