Well exposed, with good detail in the whites. And a gorgeous background. My personal preference would be to move him slightly to the left, with just a little off the top.
IQ looks great, good techs and processing. Not my favorite head angle from this type of species, but it does have a curious quirky big-eyed look to it.
Hi Girish, good eye contact, and you achieved good DOF on the tern. Whites look good, and I like the hint of the wind swept feathers. Killer BG. I would maybe take some off the top.