Ferruginous Duck (Aythya nyroca) – A Comprehensive Biological and Ecological Study The Ferruginous Duck (Aythya nyroca), also known as the White-eyed Pochard, is one of the most elegant and ecologically significant diving ducks of the Old World wetlands. Distinguished by its rich chestnut plumage, contrasting white eye, and graceful diving behavior, this species occupies a […]