The Mote Marine Laboratory and Aquarium announced Tuesday that it is mourning the loss of one of its North American river ...

Otter exhibited behavior indicating an illness last week; death may have be related to a disease commonly seen in female river otters ...

An increased river otter population means increased opportunity, according to a proposal the S.D. Department of Game, Fish, ...

"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," Osburn ...

A “beloved” river otter named Tilly was euthanized in Oregon, zookeepers said. Screengrab from Oregon Zoo A zoo euthanized a “beloved” North American river otter after her health declined ...

PORTLAND, Ore. — The Oregon Zoo's oldest river otter died Wednesday. Zoo staff euthanized the 16-year-old otter Tilly after a decline due to her age, the zoo said. The Oregon Zoo called Tilly ...