Butterflies are hard to photograph.
Getting oneself to the right angle to show facial detail, and have it in focus before it flutters off is a challenge. That alone is a test, but add to that using appropriately shallow depth of field to blur the background and getting the face in focus is even harder to do within the split second opportunity one may have.
This one was cooperative!
Image copyrighted. Any use requires licensing from Martha Lochert.