Solitary sociable cetaceans (SSCs) inhabit localised areas and have limited interactions with their own species, instead turning their attentions to humans. Bottlenose dolphins are the most common SSCs, but other species including beluga whales have also been known to take up residence in areas of human activity.
Dr. Goodwins extensive report on fascinating c. solitarity
https://www.projectjonah.org.nz/wp-content/uploads/2021/11/Lone-Rangers-Marine-Connection.pdf