Turning 40 is a milestone for humans…and for non-human animals too! Join Woodland Park Zoo at a birthday party for its twin orangutans turning the big 4-0. Towan (toe-WAHN) and Chinta (CHEEN-tuh), brother and sister, respectively, will open gift-wrapped presents with their favorite treats and indulge in special “orangutan” birthday cupcakes. All five of the zoo’s orangutans will join in the celebration. Birthday festivities include: complimentary cupcakes for visitors (while supplies last), an opportunity to meet the keepers and hear about the day-to-day quality care provided for the great apes, a photo collage of the twins, an orangutan discovery box with fascinating facts and items, and a free raffle for a commemorative art piece hand painted by orangutan Towan. The birthday party is free with zoo admission. Born at Woodland Park Zoo in February 1968, the twin orangutans gained instant national celebrity status as the first-known twin orangutans born in a zoo. Photos of the pair in d