 An unidentified dark parrot seen alive by Swedish naturalist Fredrik <unk> in Africa was given the name Psittacus obscurus by Linnaeus in 1758 , who again synonymised it with the Mascarene parrot in 1766 . Because of this association , some authors believed it was from the Mascarene Islands as well , but this dark parrot 's description differs from that of the Mascarene parrot . This disagreement led some authors to use now @-@ invalid combinations of the scientific names , such as Mascarinus obscurus and Coracopsis obscura . The unidentified parrot may have been an African grey parrot ( Psittacus <unk> ) instead . 
