Learn how to spot who has traveled the trails at this walk focusing on wildlife tracks. If it has snowed prior to the hike, please wear appropriate footwear or snowshoes. This free walk, led by DNRT Land Steward Leah Howard, will be held at the Parsons Reserve, 50 Horseneck Rd., from 10 to 11:30 a.m. on Feb. 21. For more information, go to www.dnrt.org.