The red haired girl wears a black shirt. She changes into a white shirt because the black one smells bad. When the group reaches the path to the house by car, there is a shot of her wearing the black shirt again. When they exit the car, the shirt is white again.
When Beth falls asleep in her tent after finishing the bottle of wine, she is wearing her blue jeans. When she wakes up, she is no longer wearing the blue jeans.
During the opening swimming sequence the lady has a black bracelet that changes from right wrist, to left wrist, back to right wrist at least once.
When the girl is tied to the chair, the creature approaches her from behind and puts a piece of clothing around her shoulders. In the following scenes, the clothing changes position several times.
When approaching the house Karen is being held in, Niles is completely covered in mud in one shot. The next shots, the mud is gone.
A character is shot in the leg with a shotgun but proceeds to run, jump, and perform physically throughout the rest of the movie as if nothing happened.