Normal (wild-type)
A variant of Quaker parrot (monk parakeet) (Myiopsitta monachus)

Representative Quaker parrot (monk parakeet)photo — a dedicated image of this exact morph isn't available yet.
The natural green-bodied monk parakeet with a pale grey breast and forehead. The familiar form, including feral urban populations.
Keeper tips for this variant
Quakers are prolific chewers and nest-builders needing daily out-of-cage time and lots of destructible toys; note they are illegal to keep in several US states/regions, so verify legality first.