The viceroy butterfly is often confused with the monarch butterfly. The black line on the back wings is one main difference between the two types.
![Viceroy Butterfly](https://retireddan.com/wp-content/uploads/2023/09/IMG_20230812_1337141442-819x1024.jpg)
The viceroy butterfly is often confused with the monarch butterfly. The black line on the back wings is one main difference between the two types.