Its young maybe to young but as of now I'd say female . Males keep their tails tucked in ( not scientifically proven just my guessing ) plus its a little bitty tail .
I know that I don't have to be worry much about size but mine is only a year old and it is 8 inches and about 3 pounds. Is mine overweight or what could be the explanation @mike taylor@Tom?
He is very healthy for what I can tell London is outside about 8 hours now and he loves it. ( of course we did it gradually since little)