ok my friend recently aquired a very nice (IMHO) red tail boa..it is a five year old female and was bought as a columbian but to me she doesn't look like any normal columbian i have seen here is a pic:

any ideas what she might be or is she just normal...
also how large should she be at five years in weight and length so i can be sure she is healthy as theh guy who previously owned her didn't know too much about boas beyond their basic care
Any help would be appreciated
Thanks
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~~~Amy~~~
my zoo LOL
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