Flipper-smacking, lobtailing, breaching - on a recent whalewatch boat trip, Robert Finch witnessed the most spectacular humpback acrobatics he had ever seen. And it got him to wondering: do whales play to the crowd? After all, a whole generation of whales have now grown up in the presence of whale boats. Maybe they like performing.
And if they did - how would we know, except by their actions?
Listen to the audio essay above.