The number of cortical neurons is a hallmark of intelligence, the Vanderbilt University team said. They found that dogs have about 530 million cortical neurons while cats have about 250 million. Humans have about 16 billion.

Source article here.

I’ve had cats and dogs as pets.  My cats did awful things when my first child was born.

My Australian Shepherd grand dog told me my dishwasher was on fire.

Case closed.