The term "toxic butterfly" often refers to certain species of butterflies that possess toxic chemicals in their bodies. These butterflies, such as the Monarch butterfly, are unpalatable to predators due to the toxins they accumulate from their diet, primarily from the plants they consume during their larval stage. This toxicity serves as a defense mechanism, helping them avoid being eaten. In addition to their natural defenses, toxic butterflies can also exhibit bright colors and patterns, which serve as warning signals to potential predators. This phenomenon is known as aposematism, where the vivid coloration indicates that the organism is harmful or distasteful. Such adaptations play a crucial role in the survival of these butterflies in their ecosystems.