Also posted this in the lens section:
Nipped up to Lee Valley this morning, cold n grey so wasn't expecting much - found a quite spot away from the dog walkers and just sat for 5 minutes, caught a slight movement out of the corner of my eye, lifted camera and:
Wasn't overly enamored with the shot so 'froze' and waited - sure enough a few minutes later I was rewarded with:
And that was my lot - he / she was off into the undergrowth.
1DX, 300 2.8 mkII and x2 mkIII extender. 1/500, f/5.6, iso 3200, 600mm