"The reverse surface of the white Eurasian #Woodcock fail feather tips reflected around 55% of light, as measured using spectrophotometry. This is around five times brighter than Snowy Owl and 10 times brighter than the feathers of Arctic Redpoll, both known for their startling white plumage." #birds #science https://www.birdguides.com/articles/woodcock-has-the-brightest-feathers-ever-measured