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Continuity mistake: Melanie leaves the oar of the boat leaning against the rear seat. Later when she comes back to the boat, the oar is lifted up and sitting on the middle and rear seat. (00:21:50 - 00:23:10)

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Continuity mistake: When Annie capped up the brandy bottle the label was facing the camera and her glass was almost touching it. Later when she goes back to poor a glass for herself the label is turned 90 degrees and she has to reach for the glass. (00:43:00)

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Continuity mistake: In her room Melanie has the green dress hanging to the left of the mirror over the sink. When she returns to that spot after looking out the window, the dress has been moved. (00:58:20)

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Continuity mistake: When Mitch takes Melanie to try to get help after she is hit by the gull the first door they come upon says, "out to lunch". If you look closely as they walk up to the door they're in bright sunlight but in the next shot as they get to the door it's overcast. (00:26:10)

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Visible crew/equipment: After Mitch puts the bird back in its cage as he walks towards Melanie the shadow of the camera appears on his jacket. (00:06:30)

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Continuity mistake: The phone booth changes when Melanie is in it during the bird attack later in the movie. Here the green part on the bottom has three vent slits per row, later when the fire is behind it you can see four vent slits per row. (00:26:25 - 01:26:15)

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Continuity mistake: When Annie asks her how dinner at Mitch's went Melanie holds the glass of brandy differently between shots. (00:41:40)

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Continuity mistake: When Melanie takes her cigarette case out of her pocketbook she holds it in her right hand between her thumb and four fingers. In the next shot her index finger is inside the case. (01:09:55)

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Continuity mistake: As Melanie is in the living room we see a lamp on the table between the two chairs that is later removed and never seen again in the movie. (00:22:25)

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Continuity mistake: After Melanie takes off her right glove she puts it on top of her pocketbook with her left hand twice. (00:02:35)

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Audio problem: In the pet shop the cashier starts moving her mouth before she says anything to Melanie. (00:02:25)

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Continuity mistake: At the beginning, before Melanie walks behind the newsstand, it's an overcast day and she doesn't cast any shadow. As she emerges from the other side of the newsstand she casts several shadows against the wall and floor. The other people walking in front of the pet store are also casting shadows in several different directions. Throughout the film there are numerous changes regarding the casting of shadows between shots. (00:02:00)

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Continuity mistake: As Melanie stands in front of the pet shop and watches the birds flying, more time passes than the two seconds implied. The kittens in the right window go from playing to sleeping between shots and a grey kitten appears in the window that wasn't there before. (00:02:05)

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Plot hole: When Jessica Tandy walks into Mr. Faucet's house everything is in perfect shape except a couple of broken cups, and there's not a dead bird in sight. (00:59:40)

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Continuity mistake: In the final bird attack on the house Mitch runs to Lydia and Cathy huddled in the corner by the bookcase. The lighting has been moved and the shadow on the red books in the bookcase disappears in the next shot. (01:42:55)

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Audio problem: At the end of the movie when they're walking out of the house you hear a door open, but the doorway is empty - it's just an open space, with no door. (01:56:40)

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