Fritz

Cincinnati Zoo festivities go from 10 a.m. to 3 p.m. Thursday with birthday cake and ice cream for guests.

The premature hippo that almost didn't make it — but did, and captured the hearts of millions in the process — turns 6 years old Tuesday.

Fritz the baby hippo is ready to begin greeting visitors at Hippo Cove. The Cincinnati Zoo says he'll begin spending time in the outdoor exhibit for people to view; though mom, Bibi, will dictate when and for how long.