Amazing Ants. 1 to 2:30 p.m. Come join us for a very short hike (approximately one-quarter mile) where we will look for some of the 53 different species of ants that call the Pine Bush home and learn about their peculiar and fascinating habits. Ages 8+. Albany Pine Bush Discovery Center, 195 New Karner Road, Albany.  $3 per person/$5 per family. RSign up: 518-456-0655 or visit www.AlbanyPineBush.org/events