I hear that all the time especially when they exert themselves or after they have gotten water in their nose from being in the bathtub. 2 of mine have had a sound since they were born. Could be the nasal canal design. It drives me nuts because of how often RI has been talked about. What I’ve come to realize (if you take care of your snakes husbandry and buy him from a reputable breeder) is that RI isn’t as common as everyone thinks. Its almost comparable to hearing about Bad people... Bad people are on the news, theyre talked about and used as examples of whats going on in the world.... well there are many more good people than bad, we just keep quiet living our lives so we arent on the front page... I think thats a good comparison to RI and some other illnesses.
With that said, wheezing and bubbles/mucous from Nose/Mouth are what you want to watch for.
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