Mute Swans and Cygnets

This photo of Mute Swans and the first day in the water for the cygnets was taken at Heriot Watt University, Edinburgh during May 2012.
The technical information is as follows.
Camera - Canon EOS 5D Mk II
Shutter speed - 1/1600
Aperture - f9.0
Lens - Canon EF 400mm f5.6 L USM
Focal Length - 400mm
ISO - 800
EV -1