for sure at least 3.5 years old, but I'm going to go with 4.5 years old. its a real hard angle to tell, you cant see his belly real well, you cant really see how well filled out he is at all. you also cant see how thin or well rounded his face is. but for the middle of october, it does look like he has a fairly large base of his neck where it meets his shoulders. also looks like he may be fairly well beginning to fill out in the body as well. a good amount of mass on the antlers, you wont get that on a 2.5 year old, not normally anyway. you can, but its not average. so i would say 3.5 at the youngest, but i would even say likely a 4.5.