Posted by Gigi Allianic/ Woodland Park Zoo Melati, photo by Jeremy Dwyer-Lindgren/Woodland Park Zoo Woodland Park Zoo is mourning the loss of Melati, a female orangutan who passed away while recovering from a surgical procedure. The surgery was performed to remove possibly cancerous growths of the uterus and left ovary as a life-saving measure and to alleviate pain and discomfort associated with her significant reproductive disease. The 193-pound orangutan would have turned 50 on December 27 and was the oldest orangutan living at the zoo. The median life expectancy for orangutans is 28 years; in zoos, orangutans are now living in to their 40s and 50s because of the evolving field of zoo medicine, which includes geriatric care. “Losing our animals is very difficult, they are family to us. Melati lived at Woodland Park Zoo for nearly five decades and was a role model mother to her two offspring who continue to thrive here,” said Martin Ramirez, mammal curator at Woodland Park Zoo. “Mel