If you want to give her the best possible chance, keep her inside where it's warm.So I scrambled up an egg, plopped her on my lap, and hand fed her the egg. Took her a little while to respond but eventually she ate up most of it. She seems to have perked up a bit and is even eating some of her regular crumbles in the kennel now. I am sure that she's not out of the woods yet, but nice to see her a little more lively.
Read these:
http://www.avianweb.com/sickbirdcare.html
http://www.avianweb.com/identifysickbirds.html
http://www.avianweb.com/poopology.html