I am not sure but when I pull out a package of Whiskas temptations I could swear Joseph meows TREATS!!!He absolutely loves these treats and will drag them around the floor until he opens the package then he will eat every single treat in there.Michael,when he smells chicken of any sort wilkl meow NOWWWWWW!The siamese are quite vocalk but no human sounds come from them,just a lot of MRRRROWS and EEEAOWWS!Best Wishes from Catmandu of the [email protected]