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

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.

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

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

A female sea otter at Point Defiance Zoo and Aquarium celebrated her 14th birthday Sunday, indulging in a treat made just for ...

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

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

Tilly's age was extraordinary for her species as the average life expectancy for river otters is 12.9 years in accredited Association of Zoos and Aquariums, according to the Oregon Zoo.