Factual error: After the scene where they fall over the waterfall, and go through what they have left of the equipment. Bill, the Latino doctor, holds up the CD-reader from a desktop computer and says that the hard drive is broken, which would be OK if he actually had the hard drive present.
Great sites
Mistakes
Just after the captain of the other boat (Bill's friend) breaks the bottle, and looks over the side, you hear a voice say "What the hell was that" although the guy's mouth doesn't move, also the voice sounds more like Bill's low voice than this guy's Australian-sounding accent. See more...
Trivia
The Chinese tattoo on Bill's arm reads Wo de shi jie, which means "My world." See more...
Anacondas: The Hunt for the Blood Orchid mistakes
Visible crew/equipment: Right before they go over the waterfall, you can see the film crew in the mist.
Continuity: When Cole is lost in that underground cave, first he has a silver torch with a handle, and then when he meets Tran he has a thick chunky one, then it changes back to the silver one.
Anacondas: The Hunt for the Blood Orchid trivia
The Chinese tattoo on Bill's arm reads Wo de shi jie, which means "My world."