This one leg seagull from Barcelona foraging for food, ready to attack anyone with leftovers. Wings wide open, ready to extract any food at sight.

There is a slightly different version posted on 500px (difference in post production).

Camera NIKON D800
Lens 24.0-70.0 mm f/2.8
Focal Length 62mm
Shutter Speed 1/800 s
Aperture f/3.5
ISO/Film 100