I can never seem to get close to these birds. maybe 25 m at best.

File Name                       : IMG_9018.jpeg
Date/Time Original              : 2009:08:22 11:30:36
Camera Model Name               : Canon EOS 50D
Aperture                        : 6.3
Exposure Time                   : 1/400
ISO                             : 400
Shooting Mode                   : Aperture-priority AE
Metering Mode                   : Partial
Focus Mode                      : AI Focus AF
Exposure Compensation           : -1/3
Lens Model                      : EF200mm f/2.8L USM +2.0x
Focal Length                    : 400.0 mm (35 mm equivalent: 645.2 mm)
Focus Distance Lower            : 6.29
Field Of View                   : 3.2 deg
File Size                       : 273 kB
Image Size                      : 1280x854
Quality                         : Fine
Drive Mode                      : Continuous shooting
Flash                           : Off
White Balance                   : Auto
Color Temp As Shot              : 6588
Mirror Lockup                   : Disable
Contrast                        : +3
Sharpness                       : 5
Saturation                      : +2
Color Tone                      : +1
Camera Body No.                 : 0320215167