This is watercolor using the negative painting technique where you paint around your subject using multiple layers which creates depth. This has greater than 8 layers of watercolor washed around the tree shapes
Butterfly # ?? : The Swallowtail
this was hard! Firstly trying to illustrate a swallowtail without decapitating a poor swallow... then trying to fit these two together.
More paint splatter effect for a bit of zing