The monarch butterfly is a popular and easily recognizable butterfly species. Fortunately, there are many synonyms for the monarch butterfly, which can add diversity to one's vocabulary and create interest in scientific discussions. One synonym that's commonly used is the milkweed butterfly. This name is derived from the fact that monarch butterflies only lay their eggs on milkweed plants. Another synonym is the wanderer butterfly, referring to their impressive long-distance migrations. Monarchs are also known as the common tiger or simply the monarch. No matter which synonym you choose, the monarch butterfly remains a beautiful and important species that deserves our admiration and protection.