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," ...

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” ...

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

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

North American river otter mom Tilly is teaching her new pup Mo how to swim by diving into the water with the baby animal at the Oregon Zoo A doting river otter mother is working on getting her ...

ROCHESTER, N.Y. — The otter pups at Seneca Park Zoo are taking lessons from their mother. Video that the zoo shared shows the pups exploring their habitat during the lessons. The mother otter ...

“Young river otters are extremely dependent on their mothers, and Tilly not only raised her own offspring but three other young pups who had lost their moms and needed a second chance,” Jen Osburn ...

A pair of otter pups at London Zoo have taken to the water for the first time in what keepers have called "a key development" ...

The Oregon Zoo is mourning the death of Tilly, the river otter who started out as a rescued orphan pup and went on to become ...