Posted by: Rebecca Whitham, Editor with Gigi Allianic, Communications Nadiri at Woodland Park Zoo. Photo by Mat Hayward/Woodland Park Zoo. At 19 years old, western lowland gorilla Nadiri is pregnant for the first time. We're counting down to the expected birth in early November after an eight- to nine-month gestation period. This is big news, and since Nadiri is not an experienced mother, we're taking extra precautions to prepare her. It starts with pre-natal care for the expectant mom. She is currently on a diet created by a nutritionist and receiving supplemental vitamins to help her maintain a healthy weight for a normal delivery. Keepers will need to be able to perform visual checks on the baby to confirm it is thriving, so the work begins now with training Nadiri to present her "baby"—in this case a stuffed burlap object about the size of a newborn. Once the baby comes, all eyes are on those first 72 hours after birth, the most critical time for a