These are Angry Birds plush toys spotted today on the footpaths of New York City.
These stuffed birds seem too light to knock down any towers made of glass, brick or wood.
They're prototypes for the official product coming in 2011, a tipster tells Kotaku.
For those without iPhones, Androids and whatnot, Angry Birds is a physics-based game involving catapulting round birds into structures the player hopes to topple. It has been one of the hottest chart-topping games on mobile devices for many months.