What’s going on at DNN and Decorah? At Decorah North, DN15 turns 101 days old and DN16 turns 100 days old. As hard as it is to believe, DN15 has been on the wing for 24 days – almost a month! – and DN16 has been on the wing for 16 days. Both of them are becoming strong, proficient flyers, although the place, be it log, nest, or branch, still looks like a wrestling ring every time DNF or Mr.