Continuity mistake: When the little dog pulls out the box containing a duck call whistle, he puts down his gun on the ground. When he and the big dog run off to find Lucky Ducky, the gun has disappeared.
Continuity mistake: When the big dog uses the little dog instead of an axe to chop down the tree, you can see there are pieces of wood on the ground. But then the big little puts down the little dog in the next shot, the pieces have gone.
Continuity mistake: When the little dog turns off the big dog's nose to stop the water running, you can see there is nothing by the little dog. In the next shot, his gun appears from nowhere.
Continuity mistake: When Lucky Ducky peels off his egg suit, there are pieces of broken egg on the side of the boat. When the two hunters put their guns in the water in the next shot, the pieces of egg have gone.
Continuity mistake: After the ducks have flown away when the whistle has blown, there is a shot of the hunters in their boat and you can see the big dog is pointing his gun to the left. When the camera pans in on the hunters in the next shot, the big dog is now pointing his gun in front of him.
Continuity mistake: When the big dog points his gun towards the hole in the log, the length of the log changes between shots.