In these videos it's just the Parrot moving his lips.
The order that he's doing this is in:

(MmBbPp) (Ll) (FfVv) (CcDdGgKkNnRrSsTHthYyZz) (Oo) (UuWwQq) (Ee) (AaIi)

The Bird in different views doing the "O" sound