Coincidentally, I had a Mk 1 Herring Gull play seagull chicken with me while cycling this afternoon. It was on short final over the bus lane to intercept some spilled chips, then appeared to become fixated by my front light. I decided that, since the abort pattern would doubtless involve a bomb drop and that a collision would hurt it a lot more than it would hurt my Panzerfiets, the best approach was to channel the zen of the Chester Zoo Monkey rather than Ogmios, and engaged ramming speed. The shitehawk pulled up a fraction too late, and I felt the wing impact my shoe, but I remain unhurt, unfeathered and - more importantly - un shat-on.
*wanders off to add 'bird strike' to the list of cycling wildlife interactions*