That just changed everything for me. This photograph shows a specimen of a pink-headed duck. Because of the age of the specimen, the head has changed colors. ( Marilu Lopez Fretts/Cornell ...

The pink-headed duck gave up its secrets under laser light. The bird’s rosy head feathers were colored by carotenoids, a type of naturally occurring pigment. Carotenoids are responsible for the ...

The exotic Pink-headed Duck (Rhodonessa caryophyllacea), whose rose-colored plumage set it apart from any other species of waterfowl, was last seen in the wild in India in 1949.Scientists never ...