Jack Holcomb is your host for “Jack’s Backyard,” which is a two hour talk show on Saturday Mornings that focuses on nature. Callers from all over eastern Pennsylvania discuss birds, bees, bears, toads, mushrooms, wildflowers and many other treats from Mother Nature.Holcomb, an accidental naturalist, is the past president of the Baird Ornithological Club and served on Hawk Mountain’s board of directors.