I've had one female white zebra die from this.. and my new female (well, a few months ago I got her) I think she might be doing it as well... while my other female hit hard and died pretty quickly (within a few hours) when I got home from the shops my female was on the ground, I checked her out and she had problems flying, which happens sometiems when they're about to lay an egg, or too wet from taking a bath..
...I checked her out when she finally got to an upper perch and she had something protruding... I think she might be trying to lay an egg, but when we really checked it out, it had gone back inside...

/ She has problems flying still and nothing seems to be going right with her, she can fly on top of an ice cream container we use as a quail cave thing, and then jump, but other than that nothing...
Is there any advice? Is this normal for egg binding? And yes I do have shell grit I give to them on occassion as well as a cuttlebone that I see her chewing on all the time... so it kinda scares me, I don't want another bird to die from this!

It's so horrible... is there anything I can do!?