A zoo euthanized a “beloved” North American river otter after her health declined due to her age, Oregon zookeepers said.

For all the wild assertions that these men could 'literally sit on a gorilla and kill it' or proposing plans to grapple and ...

Tilly, a river otter, came to the Oregon Zoo in 2009 as an injured and orphaned pup. She birthed four pups while at the zoo.

The Oregon Zoo mourns the loss of Tilly, a 16-year-old North American river otter, who was humanely euthanized due to ...

Oregon Zoo is mourning the death of their famous river otter, Tilly, at the age of 16. She won the zoo's “Mom of the Year” ...

Here's what to know about Tilly. At 16, Tilly was the oldest member of the zoo's North American river otter ...