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Continuity mistake: Melanie's car is parked in front of the Bodega Bay bar as she fills out the card to Cathy then she pulls straight forward. In the next shot we see a car parked in front of her that she should have hit. (00:19:15)

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Visible crew/equipment: During the final bird attack Lydia and Kathy stand in the kitchen door and the shadow of a crew member in the kitchen can be seen moving on the wall behind them. (01:41:20)

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Continuity mistake: The picture frame on the left of Annie's desk has been moved from when we first saw it. It's been turned in slightly and moved away from the lamp at the end of the scene. (00:46:45)

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Continuity mistake: When Mitch puts the bird he caught back in its cage the other bird that was in the cage with it is not there. (00:06:25)

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Continuity mistake: Annie's body changes position on her front steps. At first her head is on the edge of the sidewalk and Mitch doesn't move her. Then after he runs to get Cathy he comes back and covers her with his jacket and her head moved about six inches from the edge of the gravel sidewalk. (01:30:20 - 01:31:35)

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Continuity mistake: As Melanie and Mitch stand by the canary cage she puts the pencil on her chin and it's not there in the next shot. (00:05:00)

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Continuity mistake: As Mitch checks the doors and windows he returns to the living room and everything on the table has been rearranged and no one moved from where they were sitting. He's not there but his cup moves from the being next to the edge of the tray to being adjacent to the handle. (01:38:15)

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Continuity mistake: As the school children start running down the hill Melanie holds her hand out to a little girl in a mustard colored sweater. In the next shot the little girl is running alone in middle of the pack near the left of the screen. (01:13:35)

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Continuity mistake: As Melanie speaks to the pet shop cashier she holds her head to the left. In the next shot she's looking straight at the cashier. (00:02:40)

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Continuity mistake: Annie's position in the doorway changes between shots but Melanie's eyes stay fixed on one spot as she's speaking to her. (00:31:50)

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Visible crew/equipment: Just after Lydia says, "they are birds aren't they " we see Melanie and Cathy and the shadow of the cameraman moving on the chair at the far left of the screen. (01:37:25)

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Visible crew/equipment: As Melanie drives up to have dinner at Mitch's, the reflection of the cameraman on the inside of the window can be seen moving in the upper-left hand portion of the screen. (00:32:10)

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Continuity mistake: When Mitch first picks Melanie up he swings her around and has his left arm around her neck. In the next shot as he walks down the stairs his arm is around her back. (01:49:55)

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Deliberate mistake: Some of the children that are running in front of the superimposed background were never in the classroom. For example the blonde girl in the blue and white sweater in the middle of the second shot and the girl in the green sweater in the center of the third shot were not there. (01:13:40)

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Continuity mistake: When Melanie reaches for the flashlight on the coffee table it's been moved closer to and slightly in front of the kerosene lamp and she hasn't touched it. (01:45:20)

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Continuity mistake: As Melanie and the rest look out of the restaurant window the pencil in the ear of the waitress is in one place in the close-ups and another in the wider shots. (01:25:00)

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Continuity mistake: As Melanie hands lumber to Mitch the upper window has no curtains on it and a light can be seen shining through. In the next shot there are curtains on the window. (01:34:00)

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Revealing mistake: A red headed kid in a blue shirt gets pecked on the cheek by a blackbird as he runs down the street. If you look closely at the bird before he touches the kid the blood he smears on the child's cheek is in a sack hanging off of his upper beak. (01:14:30)

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Continuity mistake: As Melanie and the store manager look across the bay the piece of paper scotch taped to the window above his head is reversed. The picture of the woman is to the left of the piece of paper but when we see it from the inside as Melanie walks into the store it's reversed. (00:13:15)

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Other mistake: In the close-up of Melanie holding Cathy Lydia starts to laugh as she tries to fend off all those birds. (00:55:30)

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