Originally Posted by Roadrunner

I believe that cats are generally smarter than dogs...even though I have read about this somewhere years ago when this was pondered upon whether it was dogs or cats that were smarter...and it was mentioned for various of reasons that cats were smarter, I have forgotten what those reasons were...but I can think of one thing now that hasn't been mentioned in this thread...when it comes to going potty, etc., cats simply have a place to go and dogs have to wait for their masters to let them outside....

Over the years, I have had up to 15 cats and a few dogs...I do believe that cats and dogs each are smarter than the other in many different ways....

As for 'guarding' the house from any would-be burgulars...it would have to be a big cat such as a tiger, panther, etc...