im a new BP owner- had him for about 4-5 months now- just recently he has been making a wierd noise? kind of like a nasaly sound or a pop- he opens his mouth and makes a sort of hiss or something im not sure, he never used to do it? Im thinkin its likely a Respiratory issue or something- im thinkin i need to get him into a vet or something? any ideas? he doesnt have any mucus or anything around his mouth- i havnt pried his mouth open and checked- might try that- but any insight on this would be appreciated- thx-