Dogs have a noisier method of lapping (they scoop) but a dog moves more liquid per second than would a comparably sized cat. Maybe its in cats interest to be quieter given the stealthy way that they hunt.
That and the fact that dogs are inelegant and generally sloppy!;-)
11 posted on 11/13/2010 4:00:29 AM PST by SonOfDarkSkies
(Obama: Traitor, Trojan Horse, Financial Terrorist!)