Canary lost her friend! What now?

[clucking with my chicken]

one of my canarys have died, now I have one she does not seem that sad as she is singing and all.
but she like to play with other birds.
shall I get a new one, how shall I introdeuce it?

 

[nchls school]

If you have a male, he will accept a new hen and vise versa. Two males probably would fight.