One of the youngest chimps at Tulsa Zoo is turning 4 today! Join in at 11:30 a.m. to celebrate baby Bernsen’s birthday. The whole chimpanzee troupe will enjoy enrichment while you enjoy cupcakes and insightful keeper chat. Find a schedule of activities at <a href="http://www.tulsazoo.org">tulsazoo.org</a> so you can plan to bring your kiddos out all summer.