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

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.

Two 6-week-old otter pups were discovered last week outside a Navy base building after their mother was killed by a car. They ...

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," ...

MADISON, Wis. -- The Henry Vilas Zoo recently welcomed two new members to its family. The zoo announced Wednesday that two North American river otter pups, female Ginger and male Wasabi, were born on ...

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

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

Last month, the Monterey Bay Aquarium announced the addition of a new resident sea otter, Opal. After much anticipation, she ...

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

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

Zoo staff euthanized the 16-year-old otter Tilly, who had a cameo on NBC's '"30 Rock," following a decline due to her age, the Oregon zoo said.