croaking

Hi! I've been noticing a number of piggy owners writing threads about an unusual sound that guinea pigs make but didn't quite get a response. It sounds like a congested/croaky/groggy sound (or at least that's how I'd describe it). I'm hoping that this post would answer the question to those of...

So both of my piggies have been doing this weird hiccuping thing- i dont really know if its a hiccup or what- It kind of sounds like they are throwing up but nothing comes out. Is this normal every once and awhile? Then sonetimes my one piggy will start squeaking but it kind of sounds like he...