Images from "Judy Istock Butterfly Haven" ... at the "Peggy Notebaert Nature Museum", Chicago ...
This one will probably surprise you. It's a femail Cairns Birdwing (Ornithoptera priamus. Another strong case of sexual dimorphism.
Sexual dichromatism is part of the interesting phenomena of sexual dimorphism in butterflies.From here and there, I reached this blog having a superb collection of butterflies. I love butterflies. Splendid job. :)
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