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

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: SugarMalk,

from: https://sugarmalk.tumblr.com/post/107546992900