The piggie on the right looks almost exactly like my piggie Pepper! I would never let my cat near my piggies....I just wouldn't trust her not to use her animal instincts. It may not happen today or tomorrow or ever for that matter, but the possibility still exists for cats to kill guinea pigs and that is something I won't risk. But to each his own.
My dog was a rodent catcher and before he died...he used to watch my guinea pig while I was in school. He bonded with her and he would never hurt her...The same with cats!
LOL best answer, why not she is obviously supervising!!!! oh my, sorry to whom it was said no offence please to be taken. I think pple just need to remember that these are pictures taken at certain times not evidence of how all our pigs live every second.