The four tops open differently on each compartment parrots must lift twist or spin to access treats * Avian veterinarians recommend foraging for food to help reduce boredom and stress * Suggested for Caciques Quakers Ring necks Amazon Parrots, Cockatoos and similar birds * Easily mounts on the side of your birds cage position within reach of a secure perch * Made from safe clear durable polycarbonate cleans easily and is dishwasher safe