River otters were once nearly wiped out across much of the United States. But now, they’re making an incredible comeback and it’s one of the most heartwarming wildlife success stories out there.

World Otter Day is more than a celebration it’s a call to action. Despite their playful charm and internet fame, otters ...

Southern sea otters, Suri and Willow, spent two years at Shedd Aquarium preparing to care for otter pups Southern sea otters Suri and Willow returned to California's Aquarium of the Pacific after ...

Unfortunately, many of those otters had a very difficult time integrating back into the wild. It wasn't until 2001, we rescued an adult female that was pregnant. She was also sick and gave birth ...

New research reveals startling shortfalls in dietary nutrition during pregnancy. It's generally estimated that around 10% of pregnant people struggle to meet their nutritional needs -- but the ...

Tool use was particularly important for the female otters. “Females need the calories. They are smaller than males, and pregnant or nursing females have elevated caloric demands. Tool-using females ...

It is also helpful for female otters, especially when pregnant, as they are able to take in more calories for growing their young. Female otters were observed using tools more often than the males.

Tool use was particularly important for the female otters. "Females need the calories. They are smaller than males, and pregnant or nursing females have elevated caloric demands. Tool-using ...

Sea otters are one of the few animals that use tools to access their food, and a new study has found that individual sea otters that use tools—most of whom are female—are able to eat larger ...

Recovering sea otter populations are helping to restore the local ecoystem. Sea otters are proving to be Mother Nature's solution to the prevention of coastal erosion, a recent discovery that ...