The pups were cute, but not particularly friendly ... When they’re about three months old, she’ll begin teaching them to swim. Baby otters are typically taught to swim by their mothers ...

“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 zoo euthanized a “beloved” North American river otter after her health declined ... But Tilly wasn’t a push-over when it came to her pups and their swim lessons, officials said.

A “beloved” river otter named Tilly was euthanized in ... But Tilly wasn’t a push-over when it came to her pups and their swim lessons, officials said. In 2012, Tilly rose to fame after ...