Frog monitoring workshop:

A frog monitoring workshop, designed for beginning and experienced monitors, will be from 7 to 9 p.m. Tuesday, Feb. 21 at the Ryerson Woods Welcome Center, 21950 N Riverwoods Road, Riverwoods. Volunteers will be part of the Habitat Project, a network that includes staff, scientists, monitors, land managers and advocates, who work together to on behalf of Chicago Wilderness, a regional nature reserve. Contact Gary Glowacki (847) 968-3264. Additional monitoring programs include plants of concern, butterflies, bird blitz and dragonflies.