Video footage documenting the behaviour in the #OjoDeLiebre lagoon, off the coast of #BajaCalifornia, $Mexico, shows a #GreyWhale having #WhaleLice picked off its head by the captain of a small boat. “I have done it repeatedly with the same whale and others,” Paco Jimenez Franco told a US news site. “It is very exciting for me.”

Grey whales seen seeking human help to remove parasites | #Whales | The Guardian
https://www.theguardian.com/environment/2023/jul/06/grey-whales-seen-seeking-human-help-to-remove-parasites