While many berries sport bright, flashy colors to attract the attention of birds, blueberries seem dark and difficult to detect from afar. But that's just when you look with human eyes.

This microscopic photo of a blueberry's skin shows that the berry is covered in a powdery layer of wax platelets, which are highly reflective of ultraviolet light. Since birds can see ultraviolet wavelengths that humans can't, a bird's-eye view may reveal a spectacularly red berry.