Hi Tom,
You have good detail throuout the rabbit and very nice eye contact. i would have prefereed this in a vert for the ears and a bit more room up front and bekow for the whiskers. Exposure is right on. My guess the blue BG is a building??
This crop works well for me sine it balances the whiskers Would like to see you stopping down as far as possible for dof and might make my point of focus halfway between the nose and eyes to maximize !!! Really like he expression !!!