Hunting is necessary to the well being of the animals in question, and positively effects human well being in addition to that. If necessity can determine somethings moral status (and I'm not sure it can) than hunting is not immoral at all. It may be distasteful, to some, and it certainly -can- be done in an immoral way...but that's about as far is it can go. Highlighting the difference between a subjective moral appraisal and an objective morality appraisal nicely.
I am the Infantry. I am my country’s strength in war, her deterrent in peace. I am the heart of the fight… wherever, whenever. I carry America’s faith and honor against her enemies. I am the Queen of Battle. I am what my country expects me to be, the best trained Soldier in the world. In the race for victory, I am swift, determined, and courageous, armed with a fierce will to win. Never will I fail my country’s trust. Always I fight on…through the foe, to the objective, to triumph overall. If necessary, I will fight to my death. By my steadfast courage, I have won more than 200 years of freedom. I yield not to weakness, to hunger, to cowardice, to fatigue, to superior odds, For I am mentally tough, physically strong, and morally straight. I forsake not, my country, my mission, my comrades, my sacred duty. I am relentless. I am always there, now and forever. I AM THE INFANTRY! FOLLOW ME!