The casque of a southern cassowary glows blue-green in ultraviolet light. This cassowary, named Ginger, from the Cassowary Conservation Project in Florida, was the first living cassowary that showed ...
Ginger, a six-foot-tall southern cassowary, has a calm temperament that makes her receptive to experiments. On a warm March night in Florida in 2021, scientists wanted to find out if keratin—a protein ...