The whales create tools from kelp and appear to use them to help groom one another. Killer whales allokelping in the Salish Sea, a part of the Pacific Ocean between Washington State in the US and British Columbia, Canada. CREDIT: Center for Whale Research, NMFS NOAA Permit 27038The team witnessed this behavior in resident orcas across all social groups, both sexes, and all age classes. CREDIT: Center for Whale Research, NMFS NOAA Permit 27038. CREDIT: Center for Whale Research, NMFS NOAA Permit 27038.