'Gorilla Wake' At Zoo Allows Gorillas To Mourn 'Babs' 30-Year-Old Suffered From Kidney Failure POSTED: 4:37 pm EST December 7, 2004 UPDATED: 3:13 pm EST December 8, 2004 BROOKFIELD, Ill. -- A 30-year-old Brookfield Zoo gorilla died Tuesday morning following a four-month-long battle with kidney disease, and zookepers allowed the surviving gorillas to mourn her death in a special way. NBC5 Image Babs died Dec. 7 at the Brookfield Zoo. After Babs the gorilla died, keepers decided to allow surviving gorillas to mourn the death of the most influential female in their social family. One by one on...