Butterflies of the Albany Pine Bush Preserve. There are nearly 100 species of butterflies at the Preserve. Build observation and identification skills on a 0.9-mile guided hike over rolling dunes and explore these insects' role in this rare ecosystem. Reservations are required for every attendee. Sign up at www.AlbanyPineBush.org/events or 518-456-0655. 1 p.m. at Albany Pine Bush Preserve, New Karner Rd, Albany, 12205