This is one of my favorite graffiti in Hamburg, Germany.
Birdman as I have dubbed him likes to turn up in try obscure places all over the city, much further apart from each other than most graffiti artists` hunting grounds stretch.
Here is another one, found on a cycling expedition almost on the other end of the city:
It it's always funny to see another out these, it's a bit like meeting an old friend in an unexpected place.