Join Washington Crossing Audubon Society (www.washingtoncrossingaudubon.org) at 8:30 AM on Saturday, June 17 at Mercer County Park Northwest (Pole Farm) for a free, public butterfly identification field trip led by Jim Springer. Beginners are welcome. Close-focusing binoculars will be useful if you have them. Meet at the Pole Farm parking lot just inside the southeast entrance to the park near the intersection of Cold Soil Road and Keefe Road.

For information, contact Jim Springer, springer@naba.org, 732-764-9506.