Sally,
I use the morning bird trace minerals also...
Cuttle bones
ABBA Minerals
Mineral Grit
Sterilized Oyster Shell, Mollusk Shell, Sterilized Egg Shell, Sea Sand, Charcoal, Refined Bone Meal, Calcium Propionate, Salt, Potassium Iodide, Iron Oxide, Ferrous Carbonate, Copper Sulfate, Copper Oxide, Nickel Sulfate, Zinc Sulfate, Zinc Oxide, Magnesium Oxide, Manganous Oxide, Calcium Phosphate, Calcium Carbonate, Calcium Periodate, Colbalt Carbonate, Dicalcium Phosphate, VITAMIN D3
Manu blocks
http://www.mybirdstore.com/MANU_MINERAL ... TURAL.html
Macaws on the Manu cliffs
http://www.manuwildlifecenter.com/macaw ... center.htm
I don't think their is an overkill when you feed it free choice... I have found the birds know what they need. I have never used this clay-cal but I am sure it is worth adding
