28th migration celebration in Detroit Lakes MN! Festival of Birds kicks off with Bird Trivia Social Thursday, May 15 at Zorbaz. Morning field trips with guides Friday and Saturday mornings to forests, prairies and wetlands. Friday evening at M State College, Carrol Henderson’s presentation previews his book out this fall, A National Legacy. Fifty Years of Nongame Wildlife Conservation, 1974-2024. Retired as the first DNR nongame wildlife supervisor, Henderson was instrumental in conservation efforts of several bird and mammal species. Saturday evening, award-winning science writer Rebecca Heisman’s presentation “Wild Stories from the History of Bird Migration Research” is based on her book, Flight Paths. Learn how tracking bird migration has evolved from counting birds in front of the moon to high tech radio telemetry and weather radar. Plus, socials, book signings and silent auction.