Olympic symbols the idea" that the Olympic Movement is international and welcomes all countries of the world to join. As can be read in the Olympic Charter, the Olympic symbol represents the union of the "five continents" of the world and the meeting of athletes from throughout the world at the Olympic Games. However, no continent is represented by any specific ring. Prior to 1951, the official handbook stated that each colour corresponded to a particular continent: blue for Europe, yellow for Asia, black for Africa, green for Australia and Oceania, and red for the Americas; this was removed because there was
Yellow-billed amazon work, "Systema Naturae". The yellow-billed amazon is long. Its plumage is mostly green with pink over the throat, upper breast and sides of neck, and blue in the larger wing feathers. Feathers over the ears are dark blue-green. The bare white eye-rings are surrounded by a narrow rim of white plumage, which continues as a narrow band of white over the forehead. Plumage over the lores is pale blue and the fore-crown is blue. A barred appearance over the back and sides of neck arises from the green feathers having black tips and edges. The tail feathers are green with