The length of the spurs is the only true way of aging a Tom. A bump , a late hatch 1 year old. A bump with a point a early hatch Jake, 1 year old. Short , 1", 1 1/4" sharp, 2 year old. NICE 1 1/2" ,1 3/4" , (2" approaching in the record category) hooked(curved),spurs, 3 years old or more. Most of them don't live much longer than that.