Even though she's eating on her own? She's seemed to have done a 180 since the thing she passed came out. Woke up with an empty crop, tail flying high and spunky as heck. She's non stop chirping at me and running over to the door, she wants to go join the flock.
Get a baseline weight on her... The pro's say to tube when a bird loses 5% of it's weight. Of course you would also have to figure out what was causing the loss, but tubing will buy you time to do that. Once they get to about 1/2 their ideal body weight it's really hard to bring them back. Here are some body score pictures:
Once they get to a one it's very hard to save them.