The giant swallowtail butterfly’s caterpillars are unmistakable. They look like bird droppings. These caterpillars feed on citrus plants hence the nickname “orange dog.” The caterpillar below is feeding on Hercules club.
![Swallowtail Caterpillar](https://blogs.ifas.ufl.edu/stlucieco/files/2020/05/swallowtail-caterpiller-300x225.jpg)
![Swallowtail butterfly - view from bottom](https://blogs.ifas.ufl.edu/stlucieco/files/2020/05/swallowtailbottomview-300x225.jpg)
![Swallowtail Butterfly Top View](https://blogs.ifas.ufl.edu/stlucieco/files/2020/05/swallowtail-top-view-blog-300x225.jpg)
References
Florida Museum of Natural History