While commonly fed to birds, especially ducks and geese, bread offers little nutritional value and can lead to malnutrition and health problems.
Birds are generally lactose intolerant, and feeding them milk or dairy products can cause digestive issues. Stick to water for hydration.
Chocolate contains theobromine, which is toxic to birds (as well as many other animals).
Chips, pretzels, and other salty snacks are not suitable for birds. Excessive salt intake can cause dehydration and kidney problems.
Alcohol affects birds similarly to the way it affects humans. It can lead to intoxication, impaired coordination, and other health issues.
Caffeine is found in coffee, tea, and some sodas. Birds are sensitive to caffeine, and it can cause heart palpitations, restlessness, and other adverse effects.
Avocado contains a substance called persin, which is toxic to many birds. Feeding birds avocado can lead to respiratory distress and other health problems.
While many fruits are safe for birds, avoid giving them the seeds and pits. Some seeds contain cyanide, which can be harmful if ingested.
Onions and garlic, whether raw, cooked, or powdered, contain compounds that can damage a bird's red blood cells, leading to anemia.
Moldy or spoiled food can be harmful to birds. It may contain mycotoxins that can cause illness or even death.