Continuity mistake: When the taxidermist says "Yachts!" when thinking about what to do with his $100,000 reward, his whiskers disappear for a moment.
Continuity mistake: When Woody asks the taxidermist about the ceiling prices, there is a sign saying "ring for service" with a bell next to it on the counter. But after a quick cut of the prices, we return to Woody and the taxidermist, and the bell and sign have both disappeared.
Continuity mistake: When Woody reacts to the "Blackout Borscht" that the taxidermist has given him, the bowl is on the counter, but in the shot of Woody's head and neck rising into the air, the bowl has suddenly disappeared.