Quote Originally Posted by brindyman View Post
one is more a sports nature birding type camera
You might be thinking of the Canon EOS-1D Mark IV, which has a 1.3x FOVCF and can shoot at 10.5fps.

This camera is beneficial to sports and wildlife shooters because of the frame rate, increased AF points (and better AF in general), and crop factor; ie, it's not necessary to discard pixels in cropping to achieve tighter framing.