Veterinarian Tested and Approved! * Birds Love it! * Good for small, medium, large and extra-large birds like Caiques, Conures, Quakers, Eclectus, Timneh Greys, Severe Macaws, Amazons, Congo African Greys, Umbrella Cockatoos, Blue & Gold Macaws, Hyacinth Macaws, Scarlet Macaws and similarly sized birds. * High on the banks of the Manu River, flowing from the foothills of Peru"s Andes to the mighty Amazon, wild birds flock to ingest the river"s natural, mineral-rich clay. Now your pet bird can benefit from these mineral supplements.