In one scene, the pink flower in Kate's hair disappears and reappears in a few shots.
When Claudette, Stinky and 2 of the rogue wolves are fighting a grizzly earlier in the movie, Stinky says "As future leader of this pack, i say charge!" but his mouth doesn't move.
When Princess gives Runt a steak, her mane disappears in one shot and reappears in the other.