Fulvous Whistling Duck, Paloma Park, Benalmádena, Spain

This photo of a Fulvous Whistling Duck was taken at Paloma Park in Benalmádena during September 2010.
The technical information is as follows.
Camera - Canon 5D Mk II
Shutter speed - 1/200
Aperture - f10.0
Lens - Canon EF 400mm f5.6 L USM plus Canon Extender EF 1.4x II
Focal Length 560mm
ISO 1600