I suppose that if the situation were reversed and I was in a cage surrounded by dolphins, I'd probably spend most of my time trying to communicate, imitating th

I suppose that if the situation were reversed and I was in a cage surrounded by dolphins, I'd probably spend most of my time trying to communicate, imitating the sounds they made, trying to establish vocabulary.. and if I worked out that I wouldn't be punished, I'd probably refuse to perform tricks until they reciprocated. So, if they are intelligent they're very different behaviorally from us.