Join the Caterpillar Lab for a guided walk through downtown Turners Falls, and portions of the Canalside Rail Trail, in search of native caterpillars and the plants they depend on. Discover these remarkable insects in their natural habitat while learning about their life cycles, host plants, and the important role they play in healthy ecosystems. Space is limited, register by emailing janel.nockleby@mass.gov. Sponsors: Magic Wings, the Greenfield Garden Club, and the Friends of the Great Falls Discovery Center. Ages 6+.