Continuity mistake: When Bugs emerges from his hole with a cow skull on his head, he walks over to Elmer and you can see he is holding a carrot in his right hand. In the next shot, the carrot has disappeared, and in the shot after that, it is back again.
Continuity mistake: When Bugs is holding the stick of dynamite that doesn't explode, the length of the stick changes between shots.
Continuity mistake: When Elmer puts down his hitch hiking gear, he picks up the cow skull and puts it next to his gear before looking into the hole to find Bugs. After Elmer tells the audience that "There's something awfuwwy scwewy going on awound here," he continues investigating the hole, but when Bugs appears from behind, the hitch hiking gear has disappeared.
Continuity mistake: When Bugs is holding the stick of dynamite in his left hand, he puts the other hand in his ear to avoid the explosion. You can see that Bugs is holding the stick with all of his fingers, but when we see a close-up of the stick in the next shot, he is holding it with only two fingers.
Continuity mistake: After Elmer has dug a hole in the ground and put a stick of dynamite to try and find gold, he runs for cover and you can see his pick is next to the hole, but when he puts the dynamite back in the hole and zips it up, the pick has disappeared.
Continuity mistake: When Elmer is holding onto his pick after Bugs dives into the hole, Bugs comes up and cuts his suspenders, revealing his girdle. When Elmer pulls up his suspenders, the pick has disappeared.
Continuity mistake: After Elmer has dug a hole in the ground, he takes a stick of dynamite from the box and puts it in the hole to try and find gold. When he runs for cover, the box has disappeared.
Continuity mistake: When Elmer is digging a hole to put a stick of dynamite in to try and find gold, the circle of the hole has earth around it. When he runs for cover after putting the dynamite in the hole, the earth is completely scattered, and when he puts the dynamite back in the hole before zipping it up, the earth is back around the circle.
Continuity mistake: When Elmer attempts to get gold by digging a hole in the ground and putting dynamite into it, he uses his pick to mark an "X" on the ground. When he puts dynamite in the hole and runs for cover, the "X" has disappeared.
Continuity mistake: When Bugs hides in the hole from Elmer, he puts the cow skull over the hole. Elmer then takes away the skull and then puts his head in the hole. At this point, you can see that the background is a desert, but when Elmer takes his head out of the hole, it has changed to a cliff. The background goes back to a desert when Bugs appears in the next shot.
Continuity mistake: When Elmer dives into the hole to catch Bugs, Bugs appears and you can see that the hole has nothing around it, but when Bugs is looking into the hole while eating a carrot in the next shot, earth has suddenly appeared.