Macaw Glaucous basic information

The Glaucous Macaw was often mistaken for Lear's Macaw due to a similar size and build, but the Glaucous or Blue Macaw had different coloration. Its feathers were blue, and could change hues in different types of lighting! Generally, the Glaucous Macaw's plumage was a brilliant greenish-blue. The back of its neck has a distinctive gray-blue coloration. The head and nape of the Glaucous Macaw was generally a bluish-gray color also, with a grayish brown throat and chest. The undersides of the wings and tail on the Glaucous Macaw were a black to dark gray color, but the topside of the wings was a bright sky blue color. The typical Macaw bare facial patch began a yellowish coloration, which extended down to the base of the Glaucous Macaw's black bill. Its eyes were yellow with a dark brown iris and the feet were a dark gray color. Generally, Glaucous Macaws grew to about 28 inches in length.