MILWAUKEE - The Milwaukee County Zoo has announced that longtime resident Patti, a river hippopotamus, was humanely euthanized on Sunday, Nov. 10. Patti marked her 55th birthday in February.

Patti, the oldest hippopotamus in U.S. zoos accredited by the Association of Zoos and Aquariums, died Nov. 10, at the Milwaukee County ... The zoo's Hippo Haven exhibit is now closed for the ...

The museum opened a new exhibit to the public in February — a child-sized, pretend Palermo's Pizza Factory & Cafe in the Home Town area. There will be a Girls & STEM event at Discovery World ...