Grapes is safe for Macaws when prepared correctly and offered in appropriate amounts. Grapes are a popular safe treat for most birds for Macaws. As with any treat, moderation is key — even safe foods can cause digestive upset if given too frequently or in large quantities.
Good hydration and antioxidants — most birds love grapes. Treats should never make up more than 10% of your Macaw's total daily calorie intake — the remaining 90% should come from a complete, balanced pet food.
| Toxin | Unknown — lethal |
| Kidney risk | Even 1–2 grapes |
| Raisins | More concentrated |
| Safe amount? | Zero |
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