I don't like to be dismissive of whales speaking possibilities. There is a pretty New Age-y, poorly thought set of ideas about this going around. I also think these animals benefit most from us staying out of their way. I think we learn the most by being as passive as we can, so those are my biases, and I'm sort of against it from that perspective.

Quite a lot of what we normally think of as human culture doesn't fit some definition. What are the values behind cuisine, which is a form of human culture? Does it have deep values? I don't know - I would say not. But maybe I'm not a foodie.

Religion's pretty pervasive in humans. And why it's pervasive in humans is debated a lot. There are indications of things that look like religion in other animals, like chimps doing rain dances, and that sort of thing. Actually, I say that, but there's that and not much else.

It's kind of ironic that when you look at the evidence of intelligence and so on, a lot of it is anecdotal. A lot of it is, "Well, we saw this dolphin do this extraordinary thing," or, "We screwed up with our apparatus, and then the dolphins did this." And so it seems to me that the more we can actually watch them doing their thing, the better chance we'll have of making some sense of them.

Humans are particularly interesting; our culture is incredible, there's no doubt about that. In many respects, no other species matches ours. But in quite a few respects, they do, and that can help us, perhaps, to better understand our own culture. We look at the ways humans are similar to other animals, and at the ways they differ, rather than just saying, "We have culture and you don't."

Whales are cultural animals, and we're cultural animals, so although we shouldn't expect whales to do what we do, it doesn't seem unreasonable to hypothesize that we might share some of these things.

Culture is not usually one of the criterion for personhood, but it has been argued that culture is sort of a medium for a lot of these criteria, such as empathy, and so on.