Continuity mistake: Early in the movie Melanie makes a right turn as she goes up to Annie's house and we see a white post on the school side of the street and a stop sign on the opposite side. Now as she drives up to the school to check on Cathy we see the exact same spot and there's no stop sign. (01:08:10)????
Continuity mistake: When Melanie gets up and looks at the birds massed on the monkey bars the area behind her is a tree and a field. This background changes entirely when she and Mitch walk up to find Annie's body and there is what looks like a junk yard with a valley behind it. (01:11:20 - 01:30:00)????
Continuity mistake: As they all run into the house to get away from the birds the redheaded boy in the grey-blue suit disappears. He runs across the lawn at the same time as Annie and the two little girls with her and should arrive at exactly the same time but we never see him again. Mitch even looks around in his direction to see if there are any children still outside before he enters the house. The boy just disappears from this scene and is not in the last shot of everyone inside the house either. (00:53:00)????
Continuity mistake: As Melanie is inside of the phone booth a man with birds attacking him runs up to her and there is a clear shot of the road extending past the restaurant. When this spot is seen earlier as Mitch and Melanie walk into the restaurant it's entirely different with a bunch of telephone poles on the left. (01:27:25)????
Continuity mistake: As Lydia runs into the house after arriving back home from the scene at Mr. Faucets house there's a brown shade at the top on the window to her right. Earlier after the party as she opens the curtain and looks outside from the dining room, the window has a drape and a curtain and no brown shade. (01:01:40)????