Treecreeper

This photo was taken at Hermand Birchwood, West Calder during April 2007.
The technical information is as follows.
Camera - Canon EOS 30D
Shutter speed - 1/250
Aperture - f6.3
Lens - Sigma 50-500mm f4-6.3 APO EX HSM
Focal Length 500mm
ISO 400
Filter UV