Feathers on birds-of-paradise contain light-trapping nanotechnology that makes some of the deepest blacks in the world.
Birds-of-Paradise Part I: Marvels of Evolution – Bird of the Week
Birds of Paradise
Birds of Paradise feathers absorb nearly all light
New Bird-of-Paradise Slides Around Sporting a Bright-Blue Frown
For birds of paradise, black is (really) black — Steemit
Birds-of-Paradise Project Introduction
Rediscovery of Black-Naped Pheasant Pigeon Brings Us Hopes
Birds-of-Paradise Part I: Marvels of Evolution – Bird of the Week
Birds-of-Paradise Part I: Marvels of Evolution – Bird of the Week