Young or greedy?!

All my other sparrows come in a wee group, but this little guy is usually on his own... First at the table.... He even just sits on the table waiting on me to come out with the food!!
He struggles to taken off sometimes! You actually see the effort he's putting into it!
I'm not sure if he's just young and fluffy or a little overweight!!
What ever it is he makes me smile!