Naturalist Ed Sharron will speak on “Animal Track and Sign Investigation” at Friday’s 7 p.m. Winter Evenings program at Tunbridge Public Library. He will show tracks and signs of common Vermont mammals and share tips and techniques for determining what they are, how fast they are moving, their mood, their most recent meals and more.

Sharron is the Science Communication Specialist for the National Park Service Northeast Temperate Network that helps monitor natural resource health in 13 national parks from Maine to New Jersey. For more information call the library at 889-9404.