The Eyes of Common Bluebottle Butterflies Have 15 Photoreceptor Classes
When researchers studied the eyes of common bluebottle butterflies (Graphium sarpedon), they found at least 15 different classes of “photoreceptors” — light-detecting cells comparable to the rods and cones in […]
Some Wasps Developed Better Vision to Recognize other Wasps’ Faces
In 2011, Elizabeth Tibbetts and Michael Sheehan published a study in the journal Science on how some paper wasps learn and recognize the colorful facial patterns of other wasps in […]