Here are some more butterfly photos taken at the Como Park exhibit this summer. I am grateful to Mary Babcock, butterfly zookeeper at Como Park, for helping me identify the butterflies in my photos.
The Blue Morpho (Morpho peleides) was one of the most spectacular butterflies in the exhibit. The wingspan of a Blue Morpho can be from 7.5 to 20 cm (3 to 8 inches) and the ones in this exhibit seemed to be at the high end of that range. The brilliant blue color is the result of light reflecting off the scales of the butterfly. It’s the same thing that makes the throat of a Ruby-throated Hummingbird look bright red when seen at the right angle. The outer edges of the wings do not look blue in this photo, probably because the light is hitting that area at a different angle. So, in that area, you are seeing the actual color of the wings, not the color of the reflected light.