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.

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” ...

“Young river otters are extremely dependent on their mothers, and Tilly not only raised her own offspring but three other ...

After decades of using dogs to track the scent of missing people, Mike Hadsell of Peace River K9 Search and Rescue has added ...

This is a very sad time, especially for Tilly’s care staff,” said Jen Osburn Eliot with the Oregon Zoo, in a statement.

The Oregon Zoo said goodbye to a member of the otter family Wednesday. Tilly, the zoo’s oldest North American river otter, ...

Tilly, a 16-year-old river otter at the Oregon Zoo known for being "Mom of the Year" and a cameo on the NBC show "30 Rock," ...

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

Kai had lived at the Sacramento Zoo since 2017, where she brought joy to all guests and staff, zoo officials said.

Kai the North American river otter had lived at the zoo since 2017. Early Monday morning, zookeepers found Kai unresponsive ...

It was a somber day at the Oregon Zoo on Wednesday when the zoo announced the death of its beloved otter ‘Tilly’.