I don't think dad's beefier. His saddle is shorter and thus spreads to the side more and his wings are a little loosely carried, plus the angle of the photo is different.
If he's less than 14 months old he'll still grow but honestly I think both dad and son are equally beefy. And pretty
(but I prefer son's saddle, just me though)

If he's less than 14 months old he'll still grow but honestly I think both dad and son are equally beefy. And pretty
