Corrected entry: At the start of the scene where Blu is picked up by Linda, a small bird is shown standing in front of a red traffic light, with the truck containing Blu travelling towards the bird's side. But when the driver brakes, the red light is now towards the truck, with no transition to that side.
Brainiacazoid
2nd Oct 2012
Correction: I thought the same thing at first but re-watching it, you can see the bird switch red lights like it did in the establishing shot.