Common Tern in Flight Picture

Tracking in AI Servo mode was used to capture this Common Tern in fast downwind flight. A fast-focusing lens is required to catch this type of shot.
 

Picture Specs & Equipment Reviews

400mm  f/5.6  1/1250  ISO 640     Size: 3888W x 2592H  
 
Canon EOS 1D Mark III  
Canon EF 400mm f/5.6 L USM Lens