I apologize for not getting back sooner; however, she died the next morning while my wife was holding her. She didn't respond to anything. I've just now had time to get back to everyone.
As for a necropsy, I buried her before thinking through the fact that I could've done my own. We have a...
1) What type of bird , age and weight (does the chicken seem or feel lighter or thinner than the others.)
Americana, ~3years, slightly lighter but not by much
2) What is the behavior, exactly.
She was waddling low to the ground for a day or two but still acted normally beside walking funny...