That's cool! Conversations will be depressing as fuck though.
"Hey whale how's it going?"
"Umm weird, you can talk. Hey will you please stop killing us?"
"No can do whalearino, only a tiny handful of us think we shouldn't kill other animals"
"oh... ok... Do you think you could stop throwing garbage in our home then? "
"hahaha Whaley old pal you crack me up "
"Sonar? "
"Not on the table old chum, now go dash yourself against that beach over there, I've got an ocean floor to map!"