That's according to a new study of sea otters in Monterey Bay, California, which took a look at the tool use of individual otters to see how it affected their health and nutrition. The findings ...

and a new study has found that individual sea otters that use tools—most of whom are female—can eat larger prey and reduce tooth damage when their preferred prey becomes depleted. The study’s ...

Sea otters are known for using tools, but not all of them do. A new study finds those that use tools have better survival odds in a world where their traditional food sources are changing.