An animal litter box which is configured to urge an animal toward a
desired orientation in the litter box. The litter box includes a floor, a
sidewall extending upward from the floor to define an interior of the
litter box, which sidewall has an interior sidewall surface facing the
interior of the litter box, and a cue associated with a selected portion
of the interior sidewall surface, which cue urges the animal toward the
desired orientation.