An automated animal deterrent apparatus for mounting to a culvert, the apparatus includes attached weatherproof housings to protect its other components; a passive infrared sensor to detect pest animals within a detection zone; a siren to produce noise; a scent releasing assembly to emit an odor; a strobe light to produce light flashes; a solar panel and battery to power the apparatus; and a tube and clamp assembly for attaching the apparatus to the end of a culvert.