Sago, 6 years old, went into labor on April 2, surprising senior zookeeper Jill Erzar. Although Erzar had suspected Sago was expecting her first baby — having been intentionally paired with a male for ...

The first of the four hatchlings, all female, began to emerge from its white, hard-shelled egg on Feb. 27, the zoo said. The four hatchlings are part of a clutch of 16 eggs Mommy laid back in November ...