Posted by Gigi Allianic, Communications The birth watch has officially started for two pregnant western lowland gorillas who are due to give birth five days apart in May. It’s all hands on deck for Woodland Park Zoo’s animal health and gorilla care teams as they gear up for the delivery of two healthy baby gorillas. Olympia. Photo by Beth Keplinger/Woodland Park Zoo Jamani. Photo by Jeremy Dwyer-Lindgren/Woodland Park Zoo The expecting gorillas are Olympia, due May 19, and Jamani, due May 24. The gestation period for gorillas is eight and a half months. The birth watch signals 24-hour monitoring. Overnight, zoo volunteers are observing each gorilla remotely on cams installed in the bedrooms, collecting data such as behavioral changes and sleeping patterns and looking for any telltale signs that might indicate the onset of labor. A gorilla keeper is on call to respond in case either gorilla goes into labor in the middle of the night; during the day, routine care for all the zoo’s...