Articuno takes the form of a large bird with predominantly blue plumage. Its colouring is a cyan on its long streamer-like tail and head crest. Its head crest is simple, consisting of three rhombus-shaped feathers on its forehead. Its body is a sky blue, growing lighter on its chest and belly. Its most distinctive feature is its large wings, which look like they are made of ice. It has a small grey beak and thin, similarly coloured legs.