There’s a reason why these Extraordinary African Grey Parrots are often considered the poster bird for parrot intelligence - not only is this bird inclined to amass large vocabularies, African greys have also demonstrated an aptitude for recognizing the meaning of words and phrases. An African grey will need plenty of toys that challenge their intelligence, such as foraging and puzzle toys. African greys seem especially affected by stress and commotion in their environment and can be put more at ease by placing one corner of the cage against a wall as opposed to in the middle of a room.