Early Bird Spring Birding with John Green—Get a jump on learning about spring migratory birds with the birdsong expertise of John Green. John will lead us on a walk to discover the birds along the Canalside Rail Trail, at Unity Park, and along Migratory Way. Perfect for beginning and intermediate birders. Meet at the main entrance to the center. Space is limited so please register by calling 413-863-3221 or email shawn.t.kennedy@state.ma.us. Free.