The Milwaukee County Zoo has announced that longtime resident Patti, a river hippopotamus, was humanely euthanized on Sunday, ...

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

In case you can’t get enough of the little pygmy hippo Moo Deng from Thailand, there’s now an official song featuring the ...

In case you can’t get enough of the little pygmy hippo Moo Deng from Thailand, there's now an official song featuring the ...

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

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

The Milwaukee County Zoo announced today that 55-year-old Patti the Hippo, who had been living at the zoo for more than a ...

At 55 years old, Patti was considered a geriatric animal. According to the Milwaukee County Zoo, Saturday, Nov. 9, began routinely for Patti, spending time in the indoor Hippo habitat and pool.

The baby hippo skyrocketed to fame in September after adorable photos and videos of her at the Khao Kheow Open Zoo in ...

Patti, the oldest living hippopotamus at an accredited zoo in the United States, has died. Patti had marked her 55th birthday in February. On Nov. 9, veterinarians noticed she appeared lethargic after ...