Popping noise when she eats?

[Bamboozle146]

Hey guys, I just fed my BP and I heard a little popping sound, maybe every 5 seconds. I handle her daily and dont hear it, so I'm not sure if it's an RI. I'd assume you always hear it or I'd see something, but it's only when she eats. If you have any idea please let me know, thanks!
Eating Pics

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[tttaylorrr]

sometimes beep aren't very polite and make slurping sounds at the dinner table

[Craiga 01453]

As long as you're only hearing it when she eats I wouldn't sweat it. They make all kinds of interesting noises.