Artificial Sweeteners Artificial sweeteners like aspartame and saccharin are toxic to hummingbirds and should never be added to their nectar.
Honey While honey is a natural sweetener, it can actually be harmful to hummingbirds. When diluted in nectar, honey can ferment and grow mold.
Dyes or Food Coloring Hummingbirds are attracted to the color red, but adding dyes or food coloring to their nectar is unnecessary and may even be harmful.
Fruit Juices Fruit juices, even in small amounts, can upset the delicate balance of nutrients in hummingbird nectar. The high sugar content can also lead to digestive problems and other health issues in these tiny birds.
Vitamins or Minerals While hummingbirds need a balanced diet, adding vitamins or minerals to their nectar is not necessary and may even be harmful.
Corn Syrup Corn syrup is a highly processed sweetener that lacks the natural nutrients hummingbirds need.
Anything Else In general, it's best to stick to a simple recipe of white sugar and water when making hummingbird nectar.
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