Get outta here

The bird in the foreground had been perched on the concrete wall, at the left of the picture. The Ring-billed Gull (Larus delawarensis) in the background aggressively claimed that spot chasing the occupant away. To get away, the occupant ran along the top of the wall (left to right) while batting its wings.

However, that apparently was not fast enough for the incoming bird, who lifted from the perch it had just claimed and "screamed" at the bird that was trying to get away.

As can be seen in the picture, the bird trying to get away caught its feet on the concrete ledge and flipped forward. Ouch!

I have shots of the entire action. This is the last shot of the sequence.

Note: I believe the Gull in the FG has the bill markings and general field marks of a Ring-billed Gull. However, its eyes are reddish (not yellow as they are for Ring-billed Gulls) and there are other differences too. Immature bird? Different species? Any comments will be much appreciated.

Canon 7D, Sigma 150-500 mm at 500 mm, ISO 800, 1/800 sec at f/11. Photographed last year and reprocessed in LR3.

All C & Cs are much appreciated. Thanks for visiting.