Ostrich Egg Breakfast Rise and shine for Oklahoma Zoological Society’s 35th annual Ostrich Egg Breakfast, Oklahoma City’s most popular breakfast event. Connect with family and friends while enjoying a delicious breakfast buffet with the sights and sounds of the Zoo surrounding you. Ostrich Egg Breakfast guests can choose to attend one of two event sessions: Early Birds from 8 to 10 a.m. and the Brunch Bunch from 10:30 a.m. to 12:30 p.m. Select brunch cocktails including mimosas with cranberry, orange or pineapple juice options and Bloody Marys will be available for purchase at the brunch session.