Patti — a river hippopotamus and a favorite animal at the Milwaukee County Zoo since she arrived in 1972 — has died. Patti was humanely euthanized on Sunday, Nov. 10. According to a statement from the zoo,

The Milwaukee County Zoo has announced that longtime resident Patti, a river hippopotamus, was humanely euthanized on Sunday, Nov. 10.

An Arctic fox found wandering in an NW Portland park captured the hearts of the community - but also raised concerns over what would happen to her next.

A young arctic fox, found wandering in southwest Portland last month, briefly takes up residence behind the scenes at the Oregon Zoo

An arctic fox found in Portland last month arrived at the Oregon Zoo on Nov. 8 to begin her transition to a new zoo. Here's what to know.

The Detroit Zoo has officially introduced Jagger, a 3-year-old sloth bear, to the public. Jagger is the first of her kind at the Detroit Zoo in decades. Jagge

Calling Jagger the "first of her kind at the Detroit Zoo in decades," zoo officials said that she'll spend the next few days getting acclimated behind the scenes before making her way outdoors "in the next week.

Rolo is Nutella and Cocao's second child and the first male sloth born at Zoo Atlanta. "We are excited to be able to associate a name with this special infant. For our members and guests, a name can help make a connection to an individual,