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

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,

Fireworks likely caused the death of a baby red panda at Edinburgh Zoo after she became so stressed that she choked on her own vomit, experts from the Royal Zoological Society of Scotland (RZSS) said on Thursday.

Zookeepers have blamed fireworks on the annual Bonfire Night celebrations for the death of a baby red panda named Roxie.

Animal campaigners are calling for a ban on the public sale of fireworks after a baby red panda was thought to have died from stress related to the noise.

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.