african grey parrot Keen, (African Grey Parrot) using sign language (YES, sign language), Eposide 629/04/20154Comments by SUPPORT Keen is signing “yes” to me when I ask her if she wants to eat and drink. The sign for “YES” is your fist moving up and down… SUPPORT 4 replies to "Keen, (African Grey Parrot) using sign language (YES, sign language), Eposide 6" inge's adventures 29/04/2015 how did you do that? jeo trend 29/04/2015 How old is she? Marlene Hodge 29/04/2015 She is almost 5 1/2 years old. I’ve had her since she was 3 months old! deafship 29/04/2015 parrot is very smart and learn sign language from you .. thats good!! Comments are closed.