Every Tuesday we hear from students and listeners as they send in weekly Phenology observations. In this Phenology Talkbacks segment, we hear student reports from Bemidji, Two Harbors and Northfield as well as comments from listeners Carol, Dave, Ed, Ian, and Dallas . Hawks, trumpeter swans, coyotes, sandhill cranes, a robin and willow shrubs turning a promising shade of green are just a few of the highlights of todays talkbacks. Also, we are trying to keep track of ice thickness on area lakes,