I just rescued three female boa morphs, 4 ft, 3ft and 2ft. The smallest one seems to be in great health from just having her a few hours. She ate and shows no signs of illness. The two larger ones seem to have a clicking when they breathe and are opening their mouths to breathe I'm aware this is most likely a respiratory infection. My other concern is the largest female is a little more than four feet and is very slender I have yet to weigh them but just by looking she should be a bit heavier.which brings me to mMy question what is an average weight for a healthy female four foot red tail boa? ( boa Constrictor Imperator) please let me know any input you have and I will definitely be putting some weight on them.