Psittacus erithacus, commonly known as the African grey parrot, is a highly intelligent and sociable bird that is widely kept as a pet. However, many people may not be aware of the various synonyms that are used to refer to this species. Some of the most common synonyms for Psittacus erithacus include the grey parrot, Congo grey parrot, and African grey parakeet. Additionally, the scientific name has had some variations over time, with some scholars using the name Psittacus erythacus or Psittacus timneh. Regardless of the name used to refer to this species, the African grey parrot remains one of the most popular and fascinating bird species in the world.