Continuity mistake: A pile of gray animal pelts disappear from the scene after Ruth knocks over the crate and boxes.
Continuity mistake: While in the cage, the gorilla's hands alternate between holding the bars of the cage, holding Ruth's hands and holding the bars again.
Factual error: There is no entry hole in the tree branches covering the pit where the gorilla fell through. A gorilla that size would have punched a large hole through the branches.
Continuity mistake: The number and positions of the bushes at the edge of the gorilla's pit changes as the men rescue the gorilla.
Continuity mistake: The Land Rover parked behind Grant disappears and reappears between shots as he speaks to the gorilla.
Continuity mistake: The cardboard boxes and newspaper packing spilled by Ruth change positions between camera shots.
Revealing mistake: The shadow of a boom mic is seen quickly passing over the knocked over boxes.
Revealing mistake: A heavy wooden crate with several cardboard boxes on it is easily knocked over as Ruth falls against it.
