They have no wings. Their eggs have been stolen by pigs. So, yeah, they're pretty angry. Contemplate their mood at length with our free Angry Birds theme for Windows 7.
UboroBot - futuristic basket for a computer file on the desktop, when you start replacing the standard basket windows. Useful program UboroBot easily replace the standard basket Windows. The logo of the program is similar to the trolley from the supermarket, which, in turn, a bit like a distant ancestor of the robot WALL-E from the same cartoon.