Petra van Cronenburg"Killer whales have been observed mutually grooming each other with a type of seaweed, the first known instance of a marine animal using tools" https://www.theguardian.com/environment/2025/jun/23/killer-whales-kelp-grooming-tool-use
morfil (any)🌈
"Killer whales have been observed mutually grooming each other with a type of seaweed, the first known instance of a marine animal using tools" https://www.theguardian.com/environment/2025/jun/23/killer-whales-kelp-grooming-tool-use