Saturday, Feb. 14, 9:30 a.m. – The Dunwoody Nature Center holds classes for adults and children to participate in the Great Backyard Bird Count. Learn species identification, the importance of the bird count, basic observation, and how to correctly enter the tally. Computers onsite. Additional classes: Feb. 14, 11 a.m., and Feb. 16, 10 a.m. and 12 p.m. Birdwatching both days. Open to all. Free, reservations recommended. Call 770-394-3322 for details. Visit: www.dunwoodynature.org to sign up. 5343 Roberts Dr., Dunwoody, 30338.