Sea otters are marine mammals and will spend the majority of their lives in the water. Conversely, river otters are semi-aquatic and mostly live on land, using water for food and transportation.

Floating off the south coast of Vancouver Island is a lonely-looking sea otter with a dark secret – many dark secrets. Known to the whale watching community and his fans as ‘Ollie’, the infamous ...

Of the 13 different otter species in the world, only sea otters have been spotted making rafts by holding paws. River otters, for example, don’t sleep in the water but find shelter on land, such as a ...

only sea otters have been spotted making rafts by holding paws. River otters, for example, don’t sleep in the water but find shelter on land, such as a cave or den when resting. And when they ...

Wild sea otters are no longer such a rare sight along the eastern coast of Hokkaido, Japan’s northernmost main island. Experts reckon there are now more than 50 of the endangered marine ...