I'm just thinking of how complicated life must be for a whale.
I mean, if you're a whale you must have to go through life holding your breath for as long as possible, and each time you need to take a breath you have to swim up to the surface of the sea to reach the air.
I mean, you could be there with other whales, say for example your friends and then you have to excuse yourself to take a breath.
i mean it's not like visiting the loo is it? You see when you visit the loo you know you're going to the loo, you're inside a building and you know where to head back to.
But you don't have any of that in the sea. There's just water. Lots of it. What if as whales you were swimming with your friends somewhere out in the middle of the Atlantic, you go to take a breath, and then when you go back down into the sea you can't find your friends?
Or you get lost and forget the direction where you were swimming?
Surely this must make relationships and sex more difficult too. You have Mr and Mrs Whale and they've spent a couple of hours say getting into position, then one of them says 'Sorry, I've got to take a breath'.
I think this is why there's whalesong. I don't think it's whales actually singing, but whales trying to find each other after taking a breath. Or they're complaining about sexual frustration.