if you get a cock bird canary,he will sing all day long,fed and watered once a day he will be really happy,a budgie,will learn to talk,a mail has blue on the top of his beak a hen has brown,its the sear on there nose a sponge like thing,they take really no looking after,your grandfather does need a bit company been on his own,and it would give him something to do,hope he gets,sorted,,kenny