The Rainbow-Billed, Long Tailed Koo Koo is the main Koo Koo Bird and is in Series 1. He is the main star of the Koo Koo Birds App as well. The Rainbow-Billed, Long-Tailed Koo Koo is blue with magenta bags under his eyes. He has a light blue and magenta belly, and orange feet. He comes as a plush, figure, mini plush, pillow pet, and as a retweet plush.