a good start but I think it is a little contrasy to be effective, sometimes in bright light it pays to -1/2 stop exposure compensation,.Get it right in camera and your 1/2c way there .
nice close up and personal view of the duck, i feel like very close to him/her now. i wish you had cloned out the weed pointing to his bil and the one perpendicular to his bill in the background. focus could be a bit tighter on the eye instead of the bill.-5