It’s quite hard to size your bird and figure out if he is in a healthy weight range because you can’t just look at him. Learning how to handle them and physically check (gently) them will help you figure out if your bird is fed well and thriving or if he is overweight.
Check out this handy guide:
If you find it hard to handle your bird, come to Gaia and our vet team will be happy to show you how.