The Milwaukee Zoo mourns the loss of Patti, the oldest hippo in U.S. zoos, who was known for her spirited personality.

Patti the river hippopotamus from the Milwaukee County Zoo has died. Zoo animal care specialists say she was humanely ...

Patti was humanely euthanized on Sunday, Nov. 10. According to a statement from the zoo, 55-year-old Patti — who was ...

The Milwaukee County Zoo has announced the death of Patti, a 55-year-old river hippopotamus who was humanely euthanized on Sunday, Nov. 10. Patti had been a resident of the zoo fo ...

A river hippopotamus at the Milwaukee County Zoo was humanely euthanized on Sunday, Nov. 10. Patti marked her 55th birthday ...

A holiday lights extravaganza is coming back to the Milwaukee County Zoo for the fourth year, with thousands of lights set up ...

From Candy Cane Lane in West Allis to the Holiday Lights Festival downtown, here's where you can get in the holiday spirit ...