Lettuce is another food to avoid giving to a bearded dragons, since it has little nutritional value. Bearded dragons should also avoid eating avocados, because they are toxic. Oak, holly and ivy are other greens that may harm a bearded dragon.
Bearded dragons should not be fed insects that were found in a house. The wild insects may contain parasites or pesticides that may prove harmful to the animal. Any insect that glows is poisonous to bearded dragons.Learn more about Lizards