- Sea otters get more prey and reduce tooth damage using tools CNA
- Sea otters use tools to open hard-shelled prey, saving their teeth, research reveals The Guardian
- In California, otters are turning to tools to eat prey in Monterey Bay The Hill
- Female sea otters use tools more than males Popular Science
- Sea otter study finds tool use allows access to larger prey, reduces tooth damage Phys.org
Source: Weather