I recently noticed the Peridot's belly looks strange to me. I held him gently and felt it and it feels like his keel bone is really sticking out. I am not sure if I should be concerned. Here is a picture that shows it sticking out:
I am not sure if this is a concern or connected but he also seems ravenously hungry a lot. I feed him his 2 tsp of seed mix each day and occasionally let him have some millet. So far I have been unsuccessful in getting him to eat pellets or veggies, though I have only been trying for a couple weeks, so that is not surprising. He sits on his seed bowl and pecks at it even when he has eaten all the seeds.
Should I be worried or is all of this normal? Am I just being a worried budgie mamma?