During his research into hybridization between mallards and black ducks, Dr. Phil Lavretsky identified a mysterious genetic signature among mallards in North America. Playing the role of waterfowl detective, Phil and his colleagues uncovered the source of this signature and brought a surprising discovery to the world of waterfowl management. We explore this discovery and what it means in our concluding episode of this exciting series! Please subscribe, rate, and review the DU Podcast and contact the DU Podcast via email at DUPodcast@ducks.org with recommendations or questions. www.ducks.org/DUPodcast