Pick a fight with a penguin?

I'm delighted to hear that this photograph of mine is appearing in the Times, the Sun & the Daily Mail today.
It captures the moment when a giant elephant seal met its match in a comparatively tiny king penguin.
The penguin, which I photographed in South Georgia, found a giant elephant seal blocking his path to the water and gave it an almighty slap with its flipper.
But he quickly realised his error as the beast, which is 300 times heavier than he is, let out a huge roar and forced him to waddle backwards.
Luckily this was as vicious as it got and the penguin slunk off to go the long way round to sea.