Well, of course some people do want to call it language, but so far it's not clear that it is. We might say it's so complex it's more like a symphony than birds

Well, of course some people do want to call it language, but so far it's not clear that it is. We might say it's so complex it's more like a symphony than birdsong, but a symphony doesn't necessarily have anything like semantic content. Given the way whale songs evolve over time, with wanna-be whales imitating the cool whales, it's quite possible that it's pretty much all showing off their talents rather than communicating ideas.