I'm so sorry to hear about the loss of two of your babies
Very heart wrenching 
As for Bjork, give her time, I'm sure she needs to grieve and is coping as much as she can, just like you and your roommate are. There's unfortunately no guarantee that she'll get along with another bird...
As for Bjork, give her time, I'm sure she needs to grieve and is coping as much as she can, just like you and your roommate are. There's unfortunately no guarantee that she'll get along with another bird...