thalassarche: Violet Starling (Cinnyricinclus leucogaster) with feather detail. Iridescence in bird feathers is due to microstructures of the feather refracting light like a prism. Fossil evidence has shown that birds have had these structures in their
tags: Inner Mind Theatre,
from: https://www.tumblr.com/blog/view/andioyu/122271746749