House Sparrow with Nesting Material

This photo was taken in my garden during April 2006.
The technical information is as follows.
Camera - Canon EOS 300D
Shutter speed - 1/800
Aperture - f8.0
Lens - Sigma 50-500mm f4-6.3 APO EX HSM
Focal Length 500mm
ISO 400
Filter - UV
Tripod