When Miller is reading the newspaper in the Donut shop, the headline on the newspaper changes from one shot (where it is upside down on the back of the newspaper) to the spit take where he sees the Buckman family photo.
While Flora is riding her bicycle through the park after selling her comic books, the camera pans down too far and shows the wheels of her bicycle are not turning even though she is peddling hard. The bicycle is mounted on a truck or trailer to allow controlled camera and mic positioning.
While the animal control officer is fixated on the squirrel carrying rabies, per the CDC: "Small rodents (like squirrels, hamsters, guinea pigs, gerbils, chipmunks, rats, and mice) and lagomorphs (including rabbits and hares) are almost never found to be infected with rabies and have not been known to transmit rabies to humans."