The Birds (1963) - 42 major mistakes

Continuity: When Tippi Hedren is having her head wound cleaned in the restaurant, Rod Taylor is wiping her blood off with a tissue but it does not actually come off; in the next shot, however, there is clearly no blood on her head.

Continuity: After Melanie has been bandaged up after her attack, she sits up on the sofa, and you can see two large bloody scratches on her left cheek. These scratches disappear when Mitch and Lydia walk Melanie outside to the car.

Continuity: When Lydia brings out Cathy's birthday cake, in a wide shot the icing is white, then in a closeup the icing is a pink colour.

Revealing: The birds that attack the schoolchildren have no shadows.

Other: When Mitch is in the car, after listening to the radio he switches it off and the subtitles read 'Clicks of radio', yet it should be 'Clicks off radio.'

Continuity: The tall structure on the hill behind the swing set has a lot of clouds around it. When we see it seconds later the sky is clear.

Continuity: When Mitch and Melanie are talking in the café, the bottle of peroxide on the table moves from being near Mitch to near Melanie.

Continuity: Inside the restaurant Melanie talks to her father on the phone at the bar. The phone's chord changes position between shots. At first it's resting on her sleeve then in the next shot it's on her forearm.

Continuity: 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.

Continuity: As Lydia carries the birthday cake out, the shades of the window behind her are open. When we see this window again a few seconds later as she runs into the house the shades are closed.

Continuity: When Annie tells Melanie that she should go to Cathy's party the belt of her robe draped over her right knee moves between shots.

Continuity: Before Lydia walks into Mr. Faucet's room she looks to her left and her face is entirely illuminated by the light coming from his room. In the next shot as she walks in only the left side of her face is illuminated.

Visible crew/equipment: In a scene where Melanie, Mitch and Cathy are walking to the building on the hill along side Melanie's car, you can see the camera move in the reflection on the side of the car.

Continuity: As Melanie opens the door to the bedroom there is no light except her flashlight but you can see two distinct reflections in the door knob, one of the flashlight and one of the studio light behind her.

Continuity: As Annie opens the door and finds the dead bird on the floor, the background across the street changes from of a very dark house with two lights on to a moonlit road between shots.

Continuity: After talking to Mitch on the phone, as Melanie sits behind Annie's desk there are two pens on top of the sheets of paper to the left of the pencil holder that were not there before. Neither Annie or Melanie touched a pen or pencil in this scene.

Audio problem: When Annie says, "Did you drive up from San Francisco by the coast road?" her lips are mouthing something different.

Continuity: As the school children are running down the hill a white fence appears between shots in the background on the right of the screen.

Continuity: 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.

Continuity: As everyone runs out of the restaurant, the bushes on the left of the building that were there before are gone.