Dear BruB ...the Challenge is Blue. All Aliens are very adaptable and like Chameleons, they can change their Color at Will. Muuuuuuuuuuuuuuah! No One is Safe!.....Least of all....Your Ducklings!!!! Muuuuuuuuuuuuuah!!! You have been Warned!!! Muuuuuuuuuuah!!!! ~~~~~~~~~~~ @ Cynlee....Music! Let's Dance!