Have to love getting the puppy dog eyes from an albatross!!! I agree with you Gail, I am not ever a fan of shots from this type of angle but this one works for sure. When you say lower exposure what exactly do you mean? Did you up the shutter speed, lower the ISO, increase the fstop? All of the above? I think when you have birds that are just crazy white you need to expose for that area and try your best to lift the rest in post. Major advantage of the full frame sensors. Dark blue water, a pied bird with an extra bright head is a sensors nightmare
It seems the sun was to your right so maybe getting the same bird with the sun really low in the sky would've helped a bit to lessen the brightness of the cap?