I have seen some rotund cardinals this winter, but this male Northern Cardinal has to be the roundest one yet. He looks a bit to me like an overinflated balloon figure. I saw him fly away, so I know he is airworthy, but I am pretty sure that his current shape produces more aerodynamic drag than usual.
On the other hand, maybe he is merely big-boned.
© Michael Q. Powell. All rights reserved

He looks like one of the Angry Birds!
I guess the winter has not affected its food supply!
I’m sure he’d prefer big boned.
LOL!! You’re so funny! 😀 Great picture, he looks like one of the Angry Birds!