Winter tree ID hike: Saturday, February 2 @ 9:00-10:30 -- Test your winter tree ID knowledge. Join local DNR wildlife staff at Tichigan Wildlife Area. Whether you know your Wisconsin trees or not, this is a great time to test your knowledge during the winter, without those pesky leaves to confuse you. Dress for the weather. Dogs are allowed on this hike. Program is free and open to the public.