In parts of the ocean where sea otters face stark competition for their favorite kinds of food, some otters are getting by with the help of tools — like rocks and even glass bottles — that let them ...
The more prolonged the exposure of sea otters and their offspring are to human activities, the higher the likelihood that ...
A sea otter in Monterey Bay with a rock anvil on its belly and a scallop in its forepaws. (Jessica Fujii) In parts of the ocean where sea otters face stark competition for their favorite kinds of food ...