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Continuity mistake: As Melanie walks up to Mitch's house the boat on the side of the dock is tied closer to the house between shots. (00:21:35)

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Continuity mistake: As Melanie approaches the boat keeper, there's a guy working on the boat to the right of him. When we first see this guy he's looking down, then in the next shot he's looking up. (00:20:00)

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Continuity mistake: As Melanie and Mitch walk past the side of the restaurant look closely at the windows at the top left of the screen. They have transparent green shades on the rear windows that are pulled down about one-third of the way from the top. In the next shot, when we see the back of the restaurant, no shades are pulled down. (00:26:25)

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Continuity mistake: Before Melanie sits down at the table in the restaurant there's a little bit of powder on it left from the previous customer. In the next shot it's cleaned up and shiny. (00:26:45)

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Continuity mistake: At Mr. Faucet's house, both doors that Lydia walks through are blue but after she walks in the door is white. (00:59:35)

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Continuity mistake: Before the birds fly out of the fireplace the pillow that Melanie is sitting on is behind her back. She doesn't touch it but after she gets up the pillow is against the side of the couch. (00:54:30)

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Continuity mistake: As Melanie sits with the brandy, a lamp is behind her. When we see it a few shots later as she sits differently, the lamp has been moved forward. If she sat back in the chair the way she was before, she'd hit it. (00:41:55)

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Continuity mistake: After Mitch rescues Melanie from the phone booth he places her to the left of the front door of the restaurant as he reaches to open it. In the next shot their positions change and she is in front of the door going into restaurant. (01:27:45)

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Continuity mistake: After the gull attack Deke, Carter comes around the bar twice as Melanie sits down. (00:26:45)

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Continuity mistake: As Lydia walks up to Mr. Faucet's door she takes off her right glove and puts it in her left hand. Her right hand is empty and she uses it to open the door but when she comes through the other side of the door, the glove is in her hand again. (00:59:25)

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Continuity mistake: After Mitch runs to Annie and Cathy there's a fake movable bird behind the real bird to the right of the swing. It's gone when we see Mitch carry the little girl into the house. (00:52:20)

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Continuity mistake: When Melanie starts on her journey across the bay the sun should be on her left as we saw in the way her shadow fell as she walked up to the boat keeper. A considerable amount of time must have gone by because the sun is now in front of her and to the right. (00:20:40)

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Continuity mistake: As she sits and listens to Melanie talk to Mitch on the phone Annie's right hand changes positions between shots. She starts to move it up, then in the next shot it's already leaning on her left hand. (00:45:50)

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Continuity mistake: As Melanie and the two girls get into the cream colored station wagon parked on the side of the road the upholstery on the driver's side door changes drastically between shots. (01:15:00)

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Continuity mistake: In the living room when Melanie puts the cage down, the left side extends over the edge of the seat. In the next shot as she puts the card next to it, the cage doesn't extend over the edge of the seat anymore. (00:22:25)

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Continuity mistake: As Mitch brings the little girl in the blue dress back to the house the doorknob appears between shots. (00:53:10)

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Continuity mistake: As Melanie talks about renting the apartment Annie's hair changes slightly between shots. Two little pieces of hair stick out right by her left ear that weren't there in the previous shot when she opens the door. Annie's hair changes in other consecutive shots throughout the film. (00:31:50)

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Continuity mistake: You can tell by the shadows on the wall that the headboard of Lydia's bed is pushed up further against the wall in the overhead shot. (01:04:00)

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Continuity mistake: The wire attached to the roof of the Bodega Bay School that the birds sit on as Mitch and Melanie watch was not there earlier in the movie. We see this left corner of the building up close twice earlier in the movie. The first is when Melanie drives up to Annie's and the second even better shot is when Annie stands by her mailbox as Melanie leaves. (01:29:35)

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Continuity mistake: When Melanie first shows the two birds in the cage to Mitch they change in the next shot. In the close-up they have a distinctive dark yellow patch on their tail feathers that the previous birds didn't have. (00:05:30)

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