Quote Originally Posted by Beardo
Don't worry about the whistling....every single adult Carpet I've ever had did this. They just breathe a little differently than other snakes. Carpets are very hardy snakes.
I was waiting for someone to pop in and say this. Their "whistling" is well documented and I have personally noticed it more in my Irian Jayas than other carpets.

But being as how we are not there to see it, I would keep it in QT for a bit.