What Foods Are Bad for African Grey Parrots?

As pet owners, it’s natural to want to share our meals with our beloved companions, our African Grey Parrots. However, it’s critical to recognize that many foods that are safe and even healthy for humans can be toxic to birds.

This is because of their distinct physiological and metabolic requirements as compared to humans. Their bodies process and react to certain substances in ways that are vastly different from ours, making some of our common foods dangerous for them.

Understanding and respecting these dietary differences is key to ensuring the health and safety of these intelligent birds.

Feeding them inappropriate human foods can lead to serious health complications, including toxicity and nutritional imbalances. In some cases, consumption of certain foods can be fatal to African Greys. Therefore, it’s not just a matter of what is nutritious but also what is safe.

This article aims to provide a clear and concise guide on what foods to avoid feeding African Grey Parrots. I will also try to summarize what constitutes a well-balanced diet for them and the right proportions in which to feed them.

What Foods Are Bad for African Grey Parrots

Unsafe Foods for African Grey Parrots


Avocado is highly toxic to African Grey Parrots due to the presence of a substance called persin.

Found in all parts of the avocado, including the flesh, persin can cause severe respiratory distress, congestion, and fluid accumulation around the heart in birds.

Ingestion of even a small amount can be fatal, making it imperative to keep avocados away from African Greys.

Chocolate and Caffeine

Both chocolate and caffeine are extremely harmful to African Grey Parrots. These substances contain theobromine and caffeine, respectively, which can overstimulate a parrot’s cardiovascular and nervous systems.

Symptoms of poisoning include vomiting, diarrhea, rapid heart rate, and in severe cases, seizures or death. Therefore, any food or drink containing chocolate or caffeine should be strictly avoided.

What Foods Are Bad for African Grey Parrots
Chocolate contains theobromine which can overstimulate a parrot’s cardiovascular and nervous systems


Alcohol has a profoundly negative effect on African Grey Parrots. Their small size and unique metabolism make them highly susceptible to alcohol poisoning.

Consumption can lead to disorientation, liver damage, and, in severe cases, respiratory failure. It’s crucial to ensure that these birds are never exposed to alcoholic beverages.

Fruit Seeds and Pits

Many fruit seeds and pits, such as those in apples, cherries, and peaches, contain cyanogenic glycosides, which can release cyanide when ingested.

This can lead to cyanide poisoning in African Grey Parrots, characterized by difficulty breathing, panting, and dilated pupils, and can be lethal.

While the flesh of these fruits is safe, the seeds and pits must be meticulously removed.

Onions and Garlic

Onions and garlic can cause digestive upset in African Grey Parrots and, in larger quantities, can lead to anemia or other health issues.

These foods contain sulfur compounds that can damage red blood cells in birds, leading to weakness and illness.

It’s best to avoid feeding any food containing onions or garlic to these parrots.

What Foods Are Bad for African Grey Parrots
Onions and garlic can cause digestive upset in African Grey Parrots and, in larger quantities, can lead to anemia or other health issues.


Mushrooms can be toxic to African Grey Parrots. Some varieties of mushrooms contain substances that can cause liver failure or digestive distress in birds.

Additionally, mushrooms offer little nutritional value to parrots, making them an unnecessary risk in their diet.

Salt and Sugar

Excessive consumption of salt and sugar can lead to significant health problems in African Grey Parrots.

High salt intake can cause dehydration, kidney dysfunction, and electrolyte imbalances.

Similarly, too much sugar can lead to obesity, and diabetes. Foods high in salt or sugar should be avoided.

Fatty Foods

Fatty foods pose a risk of obesity and related health issues in African Grey Parrots.

These birds do not require high-fat diets, and excessive fat can lead to liver disease and other health complications.

It’s important to limit the intake of fatty foods to maintain their optimal health.

What Foods Are Bad for African Grey Parrots
Fatty foods pose a risk of obesity and related health issues in African Grey Parrots.

Tomatoes and Nightshade Plants

Tomatoes and other nightshade plants (like potatoes and eggplants) can be harmful to African Grey Parrots.

These plants contain solanine, a substance that can be toxic to birds. While ripe tomatoes are less harmful, it’s generally safer to avoid feeding them to your parrot.

Dairy Products

African Grey Parrots lack the enzyme necessary to digest lactose, which is found in dairy products.

Feeding them milk, cheese, or other dairy can lead to digestive upset and diarrhea. It’s best to avoid giving any dairy products to these birds.

Raw Rhubarb

Raw rhubarb is another food that is unsafe for African Grey Parrots. This plant contains oxalic acid, particularly in its leaves, which can be toxic to birds.

Oxalic acid can bind with calcium in the body, leading to a deficiency that affects bone health and overall well-being.

Ingestion of rhubarb can also cause irritation in the mouth and digestive tract of African Greys. Given these risks, it’s advisable to keep rhubarb, especially in its raw form, away from these parrots.

Uncooked Beans

Uncooked beans are not safe for African Grey Parrots. They contain a poison called hemagglutinin, which is very toxic to birds.

This substance can cause severe digestive issues and be potentially fatal. It is recommended to thoroughly cook any beans before offering them to your parrot to neutralize this toxin.

Kidney beans, in particular, may be toxic and require careful preparation.


Peanuts can be a controversial topic when it comes to feeding African Grey Parrots.

While peanuts themselves are not inherently toxic to parrots, they can harbor a fungus known as Aspergillus, which can cause a respiratory infection called aspergillosis.

This infection is difficult to treat and can be very harmful to birds. Additionally, peanuts can contain aflatoxins, which are harmful toxins produced by certain molds.

It’s important to ensure that any peanuts fed to African Grey Parrots are fresh, high-quality, and free from mold. Peanuts should be given in moderation due to their high fat content.

Cockatiel Food List
Peanuts can harbor a fungus known as Aspergillus, which can cause a respiratory infection called aspergillosis


Xylitol is a sugar alcohol used as a sweetener in many human foods. It poses a significant risk to African Grey Parrots and all birds.

While it’s a popular sugar substitute in products like sugar-free gum, candies, and some baked goods due to its lower glycemic index for humans, it can be extremely harmful to birds.

Xylitol can cause a rapid release of insulin in many animals, leading to a dangerous drop in blood sugar levels (hypoglycemia).

There is also a risk of liver damage with xylitol ingestion. The liver can be overwhelmed by the toxic effects of xylitol, leading to liver failure, which is a serious condition requiring immediate veterinary attention.

What Constitutes an Optimal Diet for African Grey Parrots?

A balanced diet for African Grey Parrots should include a variety of fruits, vegetables, pellets, seeds, and nuts. This combination ensures they receive the necessary vitamins, minerals, and other nutrients essential for their health.

Specific Beneficial Fruits

  • Apples (without seeds): A great source of vitamins but ensure to remove the seeds.
  • Bananas: Easily digestible and rich in potassium.
  • Berries: Such as blueberries and strawberries, are high in antioxidants.
  • Melons: Provide hydration and vitamins.
  • Pears: Offer fiber and vitamins, but remember to remove the seeds.

Important Vegetables

  • Celery: Low in calories and provides hydration.
  • Spinach: A nutrient powerhouse, but in moderation due to oxalic acid content.
  • Carrots: High in beta-carotene, which is good for their vision.
  • Broccoli: Offers vitamins and minerals.
  • Peas: Can be given fresh or frozen for protein and vitamins.

Role of Pellets and Seeds

  • Pellets: Formulated to provide a balanced diet and should make up about 50-60% of their diet. Remember that pellets alone are not sufficient.
  • Seeds: Should be given in moderation as they are high in fat. Sunflower and pumpkin seeds are good options.

Foods to Use Cautiously

  • Citrus fruits: In small amounts due to high acidity.
  • Lettuce: Low nutritional value and can cause diarrhea in excess.
  • Tomatoes: Only ripe and in moderation, as they belong to the nightshade family.
  • Grapes: In moderation due to high sugar content.

This diet, rich in variety and balanced in nutrients, will help ensure your African Grey Parrot remains healthy, active, and vibrant.

What Vegetables Are Good for an African Grey
A balanced diet for African Grey Parrots should include a variety of fruits, vegetables, pellets, seeds, and nuts

What About Food Preparations Available in the Market?

While the above is a list of foods that can be prepared and provided to your African Grey, many complete diet foods are already available in pet food stores.

These foods are formulated to provide balanced nutrition, containing a variety of vitamins, minerals, and antioxidants.

However, when using these foods, remember that variety is key to keeping your parrot interested in its meals.

Different toppings and treats should regularly be added to their diet to maintain excitement and engagement during mealtime​​.

You can also find pellets tailored for African Grey Parrots on the market, loaded with essential vitamins, minerals, amino acids, and a blend of vegetables, seeds, grains, and fruits.

These formulations also include omega-3 fatty acids for brain and heart health, antioxidants for immune support, and prebiotics and probiotics for digestion​​​​​​.

Can African Greys Eat Meat?

In the wild, African Greys are opportunistic omnivores, feeding on small snails and insects when necessary.

In captivity, they may occasionally be given worms, but in general, it is not necessary to do so.

Feeding Practices and Portions

Avoiding toxic foods is important, but just as important are the frequency of feeding, portion sizes, and contents of each portion.

Guidelines on Portion Sizes and Frequency of Feeding

  • Pellets: Should constitute about 50-60% of the daily diet. For an average-sized African Grey, approximately 1/4 to 1/2 cup of pellets per day is sufficient.
  • Fruits and Vegetables: These should make up about 20-25% of their daily intake. Offer about 1/4 cup of chopped fruits and vegetables each day.
  • Seeds and Nuts: Limit to a small handful as treats or part of a foraging activity, not exceeding 10% of their daily diet.

Typically, food should be kept in their feeding bowl once in the morning, and if necessary, it can be replenished once again during the day.

What Vegetables Are Good for an African Grey
Typically, food should be kept in their feeding bowl once in the morning, and if necessary, it can be replenished once again during the day.

Tips for Preparing and Serving Fruits and Vegetables

  1. Always wash fruits and vegetables to remove pesticides and chemicals.
  2. Cut into small, manageable pieces to prevent choking and encourage eating.
  3. Rotate different fruits and vegetables throughout the week to provide a range of nutrients.
  4. Discard any uneaten fresh food after a few hours to prevent spoilage and bacterial growth.

Remember, a varied diet prevents nutritional deficiencies and keeps mealtime interesting for your parrot.

Make sure that you monitor your parrot’s weight regularly to ensure they are not under or overeating. Sudden weight changes can indicate health issues.

Finally, based on activity level, age, and health, adjust food portions. Less active or older pet birds may require fewer calories.


In summary, the health and longevity of African Grey Parrots are heavily influenced by their diet. As I have shared, certain foods that are harmless to humans can be extremely dangerous, even lethal, to these birds.

It is crucial to avoid toxic foods such as avocado, chocolate, caffeine, and others discussed earlier. Awareness and caution in feeding practices play a vital role in preventing accidental poisoning and ensuring the safety of your feathered companion.

Equally important is providing a balanced diet that caters to the unique nutritional needs of African Grey Parrots.

A mix of high-quality pellets, a variety of fruits and vegetables, and a limited amount of seeds and nuts will help in maintaining their overall health.

Lastly, regular veterinary consultations are indispensable. Regular check-ups with an avian vet can help monitor your parrot’s health and adjust their diet as needed.

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Team Beauty of Birds

Beautyofbirds.com's team of experts includes veterinarians, biologists, environmentalists and active bird watchers. All put together, we have over half a century of experience in the birding space.

You can meet our team here.
Team Beauty of Birds is separate from the “Parrot Parent University” parrot training course and its instructors.

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