Common blue morpho butterfly with magnified scales
![Blue morpho butterfly](https://lizzieharper.co.uk/wp-content/uploads/2021/03/Common-or-Peleides-blue-morpho-butterfly-Morpho-peleides-on-a-leaf-with-magnified-detail-of-the-structure-of-the-wing-scales-low-res-500x437.jpg)
Common or Peleides blue morpho butterfly Morpho peleides. Butterfly is on a leaf with magnified detail of the structure of the wing scales. These ridges cause iridescence. Illustration from “30 Animals that made us smarter” by Patrick Ayree (BBC Books).